Energy science and technology

  • Article
    | Open Access

    Triuranium disilicide fuel and silicon carbide cladding system is of importance for accident tolerance fuel initiative. Here the authors discuss the role of interface interaction between the U3Si2 fuel and SiC cladding in their use as an advanced concept in light water reactors.

    • Vancho Kocevski
    • , Denise A. Lopes
    • , Antoine J. Claisse
    •  & Theodore M. Besmann
  • Article
    | Open Access

    Designing a scalable platform to generate electricity from the energy exchange mechanism between two surfaces separated by nanometer distances remains a challenge. Here, the authors demonstrate reconfigurable, scalable and fully integrated near-field thermo-photovoltaics for on-demand heat recycling.

    • Gaurang R. Bhatt
    • , Bo Zhao
    • , Samantha Roberts
    • , Ipshita Datta
    • , Aseema Mohanty
    • , Tong Lin
    • , Jean-Michel Hartmann
    • , Raphael St-Gelais
    • , Shanhui Fan
    •  & Michal Lipson
  • Article
    | Open Access

    Red phosphorus is a promising anode for Na-ion batteries but suffers from large volume change upon cycling. Here the authors show a red-phosphorus-impregnated carbon nanofiber design in which the sodiated red phosphorus is featured by a “liquid-like” behavior and ultra-stable electrochemical performance is realized.

    • Yihang Liu
    • , Qingzhou Liu
    • , Cheng Jian
    • , Dingzhou Cui
    • , Mingrui Chen
    • , Zhen Li
    • , Teng Li
    • , Tom Nilges
    • , Kai He
    • , Zheng Jia
    •  & Chongwu Zhou
  • Article
    | Open Access

    Devices that are capable of energy harvesting and storage are attractive for meeting daily energy demands, however they are limited by efficiency. Here the authors fabricate a siloxene-based self-charging supercapacitor power cell and probe the piezoelectrochemical effect involved in the charging process.

    • Karthikeyan Krishnamoorthy
    • , Parthiban Pazhamalai
    • , Vimal Kumar Mariappan
    • , Swapnil Shital Nardekar
    • , Surjit Sahoo
    •  & Sang-Jae Kim
  • Article
    | Open Access

    Redox-active organic compounds that reversibly bind and release CO2 are promising candidates for carbon capture but are limited by the use of flammable, toxic aprotic electrolytes. Here the authors use salt-concentrated aqueous electrolytes in continuous CO2 separation with good performance metrics.

    • Yayuan Liu
    • , Hong-Zhou Ye
    • , Kyle M. Diederichsen
    • , Troy Van Voorhis
    •  & T. Alan Hatton
  • Article
    | Open Access

    Developing understanding of degradation phenomena in nickel rich cathodes is under intense investigation. Here the authors use learning-assisted statistical analysis and experiment-informed mathematical modelling to resolve the microstructure of a Ni-rich NMC composite cathode.

    • Zhisen Jiang
    • , Jizhou Li
    • , Yang Yang
    • , Linqin Mu
    • , Chenxi Wei
    • , Xiqian Yu
    • , Piero Pianetta
    • , Kejie Zhao
    • , Peter Cloetens
    • , Feng Lin
    •  & Yijin Liu
  • Article
    | Open Access

    Grain boundaries are known to be generally detrimental to the operation of metal halide perovskite solar cells. Here Xiao et al. show with scanning photocurrent microscopy that ferroelastic twin boundaries are benign to the electrical properties in crystalline samples, in contrast to grain boundaries.

    • Xun Xiao
    • , Wenhao Li
    • , Yanjun Fang
    • , Ye Liu
    • , Yuchuan Shao
    • , Shuang Yang
    • , Jingjing Zhao
    • , Xuezeng Dai
    • , Rashid Zia
    •  & Jinsong Huang
  • Article
    | Open Access

    The mechanism of contact electrification remains a topic of debate. Here, the authors present a quantitative database of the triboelectric charge density and band structure of many inorganic materials, verifying that contact electrification between solids is an electron quantum transition effect.

    • Haiyang Zou
    • , Litong Guo
    • , Hao Xue
    • , Ying Zhang
    • , Xiaofang Shen
    • , Xiaoting Liu
    • , Peihong Wang
    • , Xu He
    • , Guozhang Dai
    • , Peng Jiang
    • , Haiwu Zheng
    • , Binbin Zhang
    • , Cheng Xu
    •  & Zhong Lin Wang
  • Article
    | Open Access

    Poor mechanical properties of reduced graphene oxide sheets hinder development of flexible energy storage systems. MXene functionalised graphene oxide with Ti-O-C bonding and additional crosslinking is here reported to dramatically increase toughness for flexible supercapacitors.

    • Tianzhu Zhou
    • , Chao Wu
    • , Yanlei Wang
    • , Antoni P. Tomsia
    • , Mingzhu Li
    • , Eduardo Saiz
    • , Shaoli Fang
    • , Ray H. Baughman
    • , Lei Jiang
    •  & Qunfeng Cheng
  • Article
    | Open Access

    The 3D microstructure of the electrode predominantly determines the electrochemical performance of Li-ion batteries. Here, the authors show that the microstructural heterogeneities lead to non-uniform Li insertion and current distribution while graded-microstructures improve the performance.

    • Xuekun Lu
    • , Antonio Bertei
    • , Donal P. Finegan
    • , Chun Tan
    • , Sohrab R. Daemi
    • , Julia S. Weaving
    • , Kieran B. O’Regan
    • , Thomas M. M. Heenan
    • , Gareth Hinds
    • , Emma Kendrick
    • , Dan J. L. Brett
    •  & Paul R. Shearing
  • Article
    | Open Access

    Carbon nanothreads are promising for applications in mechanical energy storage and energy harvesting. Here the authors use large-scale molecular dynamics simulations and continuum elasticity theory to explore mechanical energy storage in carbon nanothreads-based bundles.

    • Haifei Zhan
    • , Gang Zhang
    • , John M. Bell
    • , Vincent B. C. Tan
    •  & Yuantong Gu
  • Article
    | Open Access

    Reacting CO2 and ethane to achieve value-added C3 oxygenates offers opportunities to simultaneously reduce CO2 emissions and upgrade underutilized ethane in shale gas. Here, the authors report a successful oxygenate production strategy enabled by inserting CO2-derived CO into ethane-derived ethylene using a tandem reactor.

    • Zhenhua Xie
    • , Yuanguo Xu
    • , Meng Xie
    • , Xiaobo Chen
    • , Ji Hoon Lee
    • , Eli Stavitski
    • , Shyam Kattel
    •  & Jingguang G. Chen
  • Article
    | Open Access

    While producing renewable fuel is crucial for a sustainable energy economy, there is still a need for active and durable materials capable of efficient fuel generation and utilization. Here, authors demonstrate a triple-conductive oxide as an oxygen electrode for H2 or electricity production.

    • Hanping Ding
    • , Wei Wu
    • , Chao Jiang
    • , Yong Ding
    • , Wenjuan Bian
    • , Boxun Hu
    • , Prabhakar Singh
    • , Christopher J. Orme
    • , Lucun Wang
    • , Yunya Zhang
    •  & Dong Ding
  • Article
    | Open Access

    Metal halide perovskite is well-known for the high absorption coefficient; however, its Li-ion transport property remains poorly explored. Here the authors coat an ion conducting metal chloride perovskite interfacial layer on the Li metal anode, enabling good battery performance.

    • Yi-Chen Yin
    • , Qian Wang
    • , Jing-Tian Yang
    • , Feng Li
    • , Guozhen Zhang
    • , Chen-Hui Jiang
    • , Hong-Sheng Mo
    • , Ji-Song Yao
    • , Kun-Hua Wang
    • , Fei Zhou
    • , Huan-Xin Ju
    •  & Hong-Bin Yao
  • Article
    | Open Access

    Obtaining a complete picture for charge transport in conducting polymers is vital to designing new organic electronic materials. Here, the authors show that a gaussian density of states clarifies the transport physics in conducting polymers by revealing the role of carrier scattering on transport.

    • Anas Abutaha
    • , Pawan Kumar
    • , Erol Yildirim
    • , Wen Shi
    • , Shuo-Wang Yang
    • , Gang Wu
    •  & Kedar Hippalgaonkar
  • Article
    | Open Access

    While solar-driven water splitting may afford a renewable means to harvest energy, it is essential to understand how photocatalysts transform during catalysis. Here, authors study LaTiOxNy films by surface-sensitive techniques before and after photoelectrochemical water splitting.

    • Craig Lawley
    • , Maarten Nachtegaal
    • , Jochen Stahn
    • , Vladimir Roddatis
    • , Max Döbeli
    • , Thomas J. Schmidt
    • , Daniele Pergolesi
    •  & Thomas Lippert
  • Article
    | Open Access

    Cooling demand project largely ignores the role of humidity. Here the authors show that in many of the high energy consuming states, projections based on air temperature alone underestimates cooling demand by as much as 10–15% under both present and future climate scenarios, due to the neglected role of humidity.

    • Debora Maia-Silva
    • , Rohini Kumar
    •  & Roshanak Nateghi
  • Article
    | Open Access

    Quasi-2D halide perovskites are good candidates for efficient and stable solar cells but they suffer from high open-circuit voltage (Voc) deficit. Here He et al. show that homogeneous energy landscape of the charge transport levels is important to suppressing the recombination and increasing Voc.

    • Tingwei He
    • , Saisai Li
    • , Yuanzhi Jiang
    • , Chaochao Qin
    • , Minghuan Cui
    • , Lu Qiao
    • , Hongyu Xu
    • , Jien Yang
    • , Run Long
    • , Huanhua Wang
    •  & Mingjian Yuan
  • Article
    | Open Access

    While electronic-structure engineering lies at the heart of catalyst design, most previous studies utilize only one technique to tune the electronic states. Here, authors demonstrate that Fe doping and Co vacancy work synergistically to approach the activity limit of CoSe2 for oxygen evolution reaction.

    • Yuhai Dou
    • , Chun-Ting He
    • , Lei Zhang
    • , Huajie Yin
    • , Mohammad Al-Mamun
    • , Jianmin Ma
    •  & Huijun Zhao
  • Article
    | Open Access

    Rigidity, as seen in crosslinked polymers, and plastic processability are mutually exclusive properties. Here, the authors prepare a solution-processable conjugated microporous thermoset with permanent pores and demonstrate its application as a two-dimensional molecular sieving membrane for hydrogen separation.

    • Wei Liu
    • , Shu-Dong Jiang
    • , Youguo Yan
    • , Wensen Wang
    • , Jing Li
    • , Kai Leng
    • , Susilo Japip
    • , Jiangtao Liu
    • , Hai Xu
    • , Yanpeng Liu
    • , In-Hyeok Park
    • , Yang Bao
    • , Wei Yu
    • , Michael D. Guiver
    • , Sui Zhang
    •  & Kian Ping Loh
  • Article
    | Open Access

    Aqueous rechargeable Zn-ion batteries are attractive energy storage devices, but their wide adoption is impeded by the irreversible metallic Zn anode. Here the authors report lamellar-nanostructured eutectic Zn/Al alloys as reversible and dendrite-free anodes for improved battery performance.

    • Sheng-Bo Wang
    • , Qing Ran
    • , Rui-Qi Yao
    • , Hang Shi
    • , Zi Wen
    • , Ming Zhao
    • , Xing-You Lang
    •  & Qing Jiang
  • Article
    | Open Access

    The performance of Li-O2 batteries is largely determined by the oxygen electrocatalytic reactions at the cathode. Here, the authors report cobalt single-atom catalysts anchored on carbon nanosheets. The design improves oxygen redox kinetics and enables good electrochemical performance.

    • Peng Wang
    • , Yingying Ren
    • , Rutao Wang
    • , Peng Zhang
    • , Mingjie Ding
    • , Caixia Li
    • , Danyang Zhao
    • , Zhao Qian
    • , Zhiwei Zhang
    • , Luyuan Zhang
    •  & Longwei Yin
  • Article
    | Open Access

    Surface charge density is a key factor for developing high performance triboelectric nanogenerators. Herein, authors establish criteria to quantitatively evaluate the contact efficiency and air breakdown model on charge excitation triboelectric nanogenerators to maximize output charge density.

    • Yike Liu
    • , Wenlin Liu
    • , Zhao Wang
    • , Wencong He
    • , Qian Tang
    • , Yi Xi
    • , Xue Wang
    • , Hengyu Guo
    •  & Chenguo Hu
  • Review Article
    | Open Access

    The 2019 Nobel Prize in Chemistry has been awarded to a trio of pioneers of the modern lithium-ion battery. Here, Professor Arumugam Manthiram looks back at the evolution of cathode chemistry, discussing the three major categories of oxide cathode materials with an emphasis on the fundamental solid-state chemistry that has enabled these advances.

    • Arumugam Manthiram
  • Article
    | Open Access

    The Ti4+/Ti3+ redox couple is usually a good choice for anodes due to its low potential. Here, the authors show that the potential can be increased to nearly 4.0 V in KTiPO4F, which serves as a high-performance cathode for K-ion batteries.

    • Stanislav S. Fedotov
    • , Nikita D. Luchinin
    • , Dmitry A. Aksyonov
    • , Anatoly V. Morozov
    • , Sergey V. Ryazantsev
    • , Mattia Gaboardi
    • , Jasper R. Plaisier
    • , Keith J. Stevenson
    • , Artem M. Abakumov
    •  & Evgeny V. Antipov
  • Article
    | Open Access

    Glasses are promising electrolytes for solid-state lithium batteries; however, due to their amorphous structure, the ionic conduction mechanism remains poorly understood. Here, atomic-scale modeling reveals that lithium migration occurs via concerted hopping of Li-ions coupled to quasi-permanent rotations of tetrahedral anions.

    • Jeffrey G. Smith
    •  & Donald J. Siegel
  • Article
    | Open Access

    Though deformable thermoelectric materials are desirable for integrating thermoelectric devices into wearable electronics, typical thermoelectric materials are too brittle for practical application. Here, the authors report a high-performance elastic composite for stretchable thermoelectric modules.

    • Nara Kim
    • , Samuel Lienemann
    • , Ioannis Petsagkourakis
    • , Desalegn Alemu Mengistie
    • , Seyoung Kee
    • , Thomas Ederth
    • , Viktor Gueskine
    • , Philippe Leclère
    • , Roberto Lazzaroni
    • , Xavier Crispin
    •  & Klas Tybrandt
  • Article
    | Open Access

    Bacterial fuel cells have generated attention with the prospect of green energy production; current research is focused on optimising the system to improve efficiency. Here, the authors report on the feeding of carbon dots to S. oneidensis MR-1 to enhance metabolic activity and bioelectric generation.

    • Chenhui Yang
    • , Hüsnü Aslan
    • , Peng Zhang
    • , Shoujun Zhu
    • , Yong Xiao
    • , Lixiang Chen
    • , Nasar Khan
    • , Thomas Boesen
    • , Yuanlin Wang
    • , Yang Liu
    • , Lei Wang
    • , Ye Sun
    • , Yujie Feng
    • , Flemming Besenbacher
    • , Feng Zhao
    •  & Miao Yu
  • Article
    | Open Access

    Here the authors report a tin anode design by encapsulating tin nanoparticles in graphene tubes. The design exhibits high capacity, good rate performance and cycling stability. Pairing with NMC, the full cell delivers a volumetric energy density twice as high as that for the commercial cell.

    • Runwei Mo
    • , Xinyi Tan
    • , Fan Li
    • , Ran Tao
    • , Jinhui Xu
    • , Dejia Kong
    • , Zhiyong Wang
    • , Bin Xu
    • , Xiang Wang
    • , Chongmin Wang
    • , Jinlai Li
    • , Yiting Peng
    •  & Yunfeng Lu
  • Article
    | Open Access

    Metal-halide perovskite based tandem solar cells are appealing but making a high efficiency device is not trivial. Here Chen et al. increase the carrier collection in the perovskite layer and largely enhance the efficiency in tandem cells when combined with colloidal quantum dot or silicon layers.

    • Bin Chen
    • , Se-Woong Baek
    • , Yi Hou
    • , Erkan Aydin
    • , Michele De Bastiani
    • , Benjamin Scheffel
    • , Andrew Proppe
    • , Ziru Huang
    • , Mingyang Wei
    • , Ya-Kun Wang
    • , Eui-Hyuk Jung
    • , Thomas G. Allen
    • , Emmanuel Van Kerschaver
    • , F. Pelayo García de Arquer
    • , Makhsud I. Saidaminov
    • , Sjoerd Hoogland
    • , Stefaan De Wolf
    •  & Edward H. Sargent
  • Article
    | Open Access

    To efficiently produce pure and clean H2 through electrochemical processes, an efficient and durable catalyst is essential. Here, authors report ruthenium nanoparticles anchored on multi-walled carbon nanotubes as an efficient catalyst for H2 evolution in both acidic and alkaline media.

    • Do Hyung Kweon
    • , Mahmut Sait Okyay
    • , Seok-Jin Kim
    • , Jong-Pil Jeon
    • , Hyuk-Jun Noh
    • , Noejung Park
    • , Javeed Mahmood
    •  & Jong-Beom Baek
  • Article
    | Open Access

    The abundance and low cost of potassium makes potassium batteries a promising technology for large scale energy storage. Here the authors apply a previously known frustrated magnet, KFeC2O4F, as the cathode in which the unique structure and Fe2+/Fe3+ redox enable excellent cycling stability.

    • Bifa Ji
    • , Wenjiao Yao
    • , Yongping Zheng
    • , Pinit Kidkhunthod
    • , Xiaolong Zhou
    • , Sarayut Tunmee
    • , Suchinda Sattayaporn
    • , Hui-Ming Cheng
    • , Haiyan He
    •  & Yongbing Tang
  • Article
    | Open Access

    Practical application of high-energy-density lithium-rich materials remains a challenge due to issues including voltage fade and poor energy efficiency. Here the authors report a novel densified phase together with a trick to recover capacity in these materials that could help in curing their practical limitations.

    • Wei Yin
    • , Alexis Grimaud
    • , Gwenaelle Rousse
    • , Artem M. Abakumov
    • , Anatoliy Senyshyn
    • , Leiting Zhang
    • , Sigita Trabesinger
    • , Antonella Iadecola
    • , Dominique Foix
    • , Domitille Giaume
    •  & Jean-Marie Tarascon
  • Article
    | Open Access

    Oxide ion conductors are an exciting class of materials with applications in various domains. Here, the authors show that Dion–Jacobson Phases are a structure supporting high O2− mobility. The bulk conductivity of CsBi2Ti2NbO10−δ even exceeds that of YSZ, offering new possibilities in electrolyte discovery.

    • Wenrui Zhang
    • , Kotaro Fujii
    • , Eiki Niwa
    • , Masato Hagihala
    • , Takashi Kamiyama
    •  & Masatomo Yashima
  • Article
    | Open Access

    The authors here report a binder-free electrode based on tin nanoarrays deposited on copper substrate. It is found that the locally formed electrochemically inactive tin-copper alloys work as a glue that bridges tin and copper to survive harsh cycling conditions in sodium ion batteries.

    • Jiangfeng Ni
    • , Xiaocui Zhu
    • , Yifei Yuan
    • , Zhenzhu Wang
    • , Yingbo Li
    • , Lu Ma
    • , Alvin Dai
    • , Matthew Li
    • , Tianpin Wu
    • , Reza Shahbazian-Yassar
    • , Jun Lu
    •  & Liang Li
  • Article
    | Open Access

    Separation of gasses with similar physical and chemical properties can be energy demanding, and adsorption-based technologies may provide alternatives with lower energy consumption. Here, the authors show mechanical control of pore size aperture in flexible metal-organic frameworks for separation of gasses.

    • Nicolas Chanut
    • , Aziz Ghoufi
    • , Marie-Vanessa Coulet
    • , Sandrine Bourrelly
    • , Bodgan Kuchta
    • , Guillaume Maurin
    •  & Philip L. Llewellyn
  • Article
    | Open Access

    Proton exchange membrane fuel cells often suffer from low lifetimes and high cost. Here, the authors enhance the transient power performance and durability of these fuel cells by integrating a thin layer of tungsten oxide within the anode, which acts as a hydrogen reservoir, oxygen scavenger, and a regulator for the hydrogen-disassociation reaction.

    • Gurong Shen
    • , Jing Liu
    • , Hao Bin Wu
    • , Pengcheng Xu
    • , Fang Liu
    • , Chasen Tongsh
    • , Kui Jiao
    • , Jinlai Li
    • , Meilin Liu
    • , Mei Cai
    • , John P. Lemmon
    • , Grigorii Soloveichik
    • , Hexing Li
    • , Jian Zhu
    •  & Yunfeng Lu
  • Article
    | Open Access

    While conversion of CO2 to fuels may offer a bio-inspired means to renewably utilize fossil fuel emission, most materials demonstrate poor activities for CO2 reduction. Here, authors construct conjugated polymers that modulate photo-induced electron transfer to CO2 reduction catalysts.

    • Shengyao Wang
    • , Xiao Hai
    • , Xing Ding
    • , Shangbin Jin
    • , Yonggang Xiang
    • , Pei Wang
    • , Bo Jiang
    • , Fumihiko Ichihara
    • , Mitsutake Oshikiri
    • , Xianguang Meng
    • , Yunxiang Li
    • , Wakana Matsuda
    • , Jun Ma
    • , Shu Seki
    • , Xuepeng Wang
    • , Hao Huang
    • , Yoshiki Wada
    • , Hao Chen
    •  & Jinhua Ye
  • Article
    | Open Access

    H2 energy as an alternative to fossil fuels requires cost-effective catalysts with fast kinetics for splitting water. Here, authors design MoS2 materials with di-anionic surfaces to improve the electrocatalytic H2 evolution activities.

    • Zhaoyan Luo
    • , Hao Zhang
    • , Yuqi Yang
    • , Xian Wang
    • , Yang Li
    • , Zhao Jin
    • , Zheng Jiang
    • , Changpeng Liu
    • , Wei Xing
    •  & Junjie Ge
  • Article
    | Open Access

    Though tribotronics, e.g., semiconductor electronics that utilize triboelectricity, is a promising technology, current devices have limited application in micro/nano electronics. Here, the authors report a triboelectrification-gated transistor with triboelectric modulation at the nanoscale.

    • Tianzhao Bu
    • , Liang Xu
    • , Zhiwei Yang
    • , Xiang Yang
    • , Guoxu Liu
    • , Yuanzhi Cao
    • , Chi Zhang
    •  & Zhong Lin Wang
  • Article
    | Open Access

    Understanding the structural dynamics of single-atom site in electrochemical reactions is crucial for design of an efficient catalyst. Here, the authors develop highly active Pt single-atom electrocatalyst, and reveal the dynamic evolution of active sites by using operando synchrotron spectroscopy.

    • Shi Fang
    • , Xiaorong Zhu
    • , Xiaokang Liu
    • , Jian Gu
    • , Wei Liu
    • , Danhao Wang
    • , Wei Zhang
    • , Yue Lin
    • , Junling Lu
    • , Shiqiang Wei
    • , Yafei Li
    •  & Tao Yao
  • Article
    | Open Access

    Increasing the output current density is the key challenge for nanogenerators. Here, a new piezoelectric nanogenerator with a three-dimensional intercalation electrode is developed to reach 290 μA cm−2 by creating and utilizing many boundary interfaces.

    • Long Gu
    • , Jinmei Liu
    • , Nuanyang Cui
    • , Qi Xu
    • , Tao Du
    • , Lu Zhang
    • , Zheng Wang
    • , Changbai Long
    •  & Yong Qin
  • Article
    | Open Access

    Ambient processing of perovskite solar cells is desired but the resulting cell performance is poor due to the negative effects of moisture on film fabrication. Here Zhang et al. propose a prenucleation strategy to overcome the moisture effect, achieving good film quality and high and uniform cell performance.

    • Kai Zhang
    • , Zheng Wang
    • , Gaopeng Wang
    • , Jian Wang
    • , Yu Li
    • , Wei Qian
    • , Shizhao Zheng
    • , Shuang Xiao
    •  & Shihe Yang
  • Article
    | Open Access

    Photovoltaic response from normal ferroelectric materials generates large voltages but low current due to poor absorption of visible light. Noguchi et al. dope ferrous and ferric ion couple into barium titanate crystals to enhance the photogeneration at photon energies both below and above bandgap.

    • Yuji Noguchi
    • , Yuki Taniguchi
    • , Ryotaro Inoue
    •  & Masaru Miyayama
  • Article
    | Open Access

    Decoupling emission reduction target determination, air pollution modelling, and health benefit estimation complicates control strategy design. Here an integrated approach identifies strategies to reduce health damages of air pollution, showing that benefits can be achieved cost-effectively by electrifying sources with high primary PM2.5 emission intensities.

    • Yang Ou
    • , J. Jason West
    • , Steven J. Smith
    • , Christopher G. Nolte
    •  & Daniel H. Loughlin
  • Article
    | Open Access

    While photoelectrochemical water splitting offers an integrated means to convert sunlight to a renewable fuel, cost-effective light-absorbers are rare. Here, authors report Sb2Se3 photocathodes for high-performance photoelectrochemical water splitting devices.

    • Wooseok Yang
    • , Jin Hyun Kim
    • , Oliver S. Hutter
    • , Laurie J. Phillips
    • , Jeiwan Tan
    • , Jaemin Park
    • , Hyungsoo Lee
    • , Jonathan D. Major
    • , Jae Sung Lee
    •  & Jooho Moon
  • Article
    | Open Access

    Heterogeneous membranes show great promise in harvesting the osmotic energy, but the performance is limited by the low interfacial transport efficiency. Here, the authors report use of a three-dimensional polyelectrolyte gel interface to achieve high-performance osmotic energy conversion.

    • Zhen Zhang
    • , Li He
    • , Congcong Zhu
    • , Yongchao Qian
    • , Liping Wen
    •  & Lei Jiang