Review
Chemistry, Multidisciplinary
Jinghua Wu, Sufu Liu, Fudong Han, Xiayin Yao, Chunsheng Wang
Summary: All-solid-state lithium batteries (ASSLBs) are considered the next generation electrochemical energy storage devices due to their high safety and energy density, along with simple packaging and wide operable temperature range. The sulfide electrolytes, with the highest ionic conductivity among solid-state electrolytes, face challenges such as narrow electrochemical stability window, unstable electrode/electrolyte interfaces, and lithium dendrite formation. Research on emerging sulfide electrolytes and preparation methods is ongoing, focusing on achieving required properties for stable electrochemical performance and compatible interfaces in ASSLBs.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Xinxin Zhu, Wei Jiang, Shu Zhao, Renzhi Huang, Min Ling, Chengdu Liang, Liguang Wang
Summary: The design of composite sulfur cathode is crucial for determining the physical and chemical properties of all-solid-state lithium-sulfur batteries (ASSLSBs), and the selection of solid-state electrolyte in the composite sulfur cathode is rarely studied. By comparing three typical sulfide solid-state electrolytes, the excellent compatibility between Li7P(3)S(11) electrolyte and sulfur cathode is revealed. The ASSLSBs based on Li7P(3)S(11) electrolytes exhibit fast reaction kinetics and high electrochemical stability, contributing to chemical congruency. These findings provide guidance for developing high-energy-density ASSLSBs.
Review
Engineering, Environmental
Qi Yang, Nanping Deng, Yixia Zhao, Lu Gao, Bowen Cheng, Weimin Kang
Summary: Replacing liquid electrolytes with all-solid-state electrolytes using one-dimensional materials has shown promise in improving the performance of lithium-ion batteries and lithium-sulfur batteries. This review provides a comprehensive overview of the preparation methods and applications of one-dimensional materials in electrolytes and electrodes, highlighting their benefits in enhancing ionic conductivity, reducing lithium dendrite growth, and improving electrode-electrolyte contact.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Chemistry, Multidisciplinary
Qianyi Ma, Yun Zheng, Dan Luo, Tyler Or, Yizhou Liu, Leixin Yang, Haozhen Dou, Jiequan Liang, Yihang Nie, Xin Wang, Aiping Yu, Zhongwei Chen
Summary: Despite being one of the most mature battery technologies, lithium-ion batteries still face challenges in energy density, current density, safety, environmental compatibility, and cost. All-solid-state lithium batteries (ASSLB) based on lithium metal anodes have emerged as a promising solution, with 2D materials (2DM) playing a crucial role in improving their performance. Strategies for enhancing ASSLBs using 2DM have been categorized based on their application in the three main components: anode, cathode, and electrolyte. Advanced characterization techniques, such as in situ characterization and synchrotron X-ray techniques, are key for understanding the mechanisms of 2DM in ASSLBs.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yushi Fujita, Atsushi Sakuda, Yuki Hasegawa, Minako Deguchi, Kota Motohashi, Ding Jiong, Hirofumi Tsukasaki, Shigeo Mori, Masahiro Tatsumisago, Akitoshi Hayashi
Summary: All-solid-state lithium-sulfur (Li/S) batteries show high capacities and long cycle lives. This study develops a Li2S-Li2O-LiI positive electrode with an active material dispersed in an amorphous matrix. The electrode exhibits high charge-discharge capacities and a high specific capacity at a 2 C rate and 25 degrees C, with nanoscale ion-conduction pathways provided by Li2O-LiI. Furthermore, a cell with a high areal capacity is successfully operated using this positive electrode.
Article
Chemistry, Physical
Shuyang Li, Jiafeng Ruan, Ruohan Jiang, Wei Wu, Miao Liu, Ronggen Cao, Fang Fang, Dalin Sun, Yun Song, Fei Wang
Summary: This study selects LiBH4 with high reductivity and compatibility with Li metal as the solid-state electrolyte, aiming to improve the cycling stability of ASSLSBs through thermal formation technology.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yi-Hsuan Chen, Peter Lennartz, Kun Ling Liu, Yi-Chen Hsieh, Felix Scharf, Rayan Guerdelli, Annika Buchheit, Mariano Gruenebaum, Fabian Kempe, Martin Winter, Gunther Brunklaus
Summary: A hybrid polymer/oligomer cell design incorporating ester oligomer as an ionic conductor and a thin scaffold-supported polymer electrolyte for mechanical stability is proposed. The hybrid cells exhibit high discharge capacities and enable energy densities superior to other reported polymer-based cell designs. The environmentally benign and affordable hybrid polyester electrolytes are promising candidates for future solid-state lithium metal batteries.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Chemistry, Physical
Yannis De Luna, Mohanad Abdullah, Sarra N. Dimassi, Nasr Bensalah
Summary: Li-S batteries offer greater energy density but encounter issues with electronic conductivity and solubility.
Article
Chemistry, Multidisciplinary
Chun Yuen Kwok, Shiqi Xu, Ivan Kochetkov, Laidong Zhou, Linda F. F. Nazar
Summary: A Li2S/LiVS2 core-shell cathode architecture design is reported for all-solid-state Li-S batteries, which improves the kinetics of Li2S cathode by using the shell as a charge-carrier transport vehicle and electron transfer mediator. The solid-state Li2S cell exhibits good rate capability and capacity retention at room temperature, and high active material loading is demonstrated with stable capacity retention. However, the cycle life is limited under high active material loading.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Electrochemistry
Giovanna Maresca, Akiko Tsurumaki, Naoki Suzuki, Koji Yoshida, Stefania Panero, Yuichi Aihara, Maria Assunta Navarra
Summary: A simple method of realizing all-solid-state lithium batteries (ASS-LIBs) using a Sn/C composite anode and glassy solid electrolyte LiI-Li3PS4 (LPSI) is proposed in this study. The combination of LPSI electrolyte and Sn/C enables a simple and time-efficient preparation of ASS-LIBs with stable and safe performance, as demonstrated by the retention of high capacity throughout 30 cycles.
ELECTROCHIMICA ACTA
(2021)
Review
Chemistry, Multidisciplinary
Chunxiang Xian, Qiyue Wang, Yang Xia, Feng Cao, Shenghui Shen, Yongqi Zhang, Minghua Chen, Yu Zhong, Jun Zhang, Xinping He, Xinhui Xia, Wenkui Zhang, Jiangping Tu
Summary: Solid-state lithium-sulfur batteries (SSLSBs) have potential for high energy density and safety, but face challenges in terms of the instability of solid-state electrolytes (SSEs) and their compatibility with electrodes and electrolytes.
Article
Chemistry, Physical
Atif S. Alzahrani, Mitsutoshi Otaki, Daiwei Wang, Yue Gao, Timothy S. Arthur, Shuai Liu, Donghai Wang
Summary: All-solid-state lithium-sulfur batteries have the potential to achieve high energy density, and the use of sulfur-carbon composite materials can improve discharge specific capacities, rate performance, and cycling stability, outperforming conventional sulfur liquid deposition and sulfur solid deposition methods. Higher sulfur content and more uniform sulfur distribution are key factors in achieving higher performance.
ACS ENERGY LETTERS
(2021)
Article
Chemistry, Multidisciplinary
Xinghua Liang, Yu Zhang, Yujuan Ning, Dongxue Huang, Linxiao Lan, Siying Li
Summary: Solid-state lithium sulfur batteries have great potential for energy storage systems due to their low cost and high energy density. However, the poor ionic conductivity and sulfur shuttle effect have limited their commercial application. This study presents a new approach to improve the cycling performance by using a nitrogen-doped porous carbon fiber composite sulfur anode and a composite solid electrolyte.
Article
Chemistry, Physical
Shiyi Sun, Xiangming Cui, Qianyue Ma, Jianan Wang, Mingbo Ma, Xuhui Yao, Qiong Cai, Jing Li, Xin Chen, Ze Wang, Rui Zhuang, Pengfei Mu, Lei Zhu, Jianwei Liu, Wei Yan
Summary: By regulating the crystallinity of the Li1.5Al0.5-Ge-1.5(PO4)(3) (LAGP) solid-state electrolyte, the performance of all-solid-state lithium-sulfur batteries (ASSLSBs) is improved, with enhanced ion conductivity and durability. The optimized LAGP material exhibits low surface roughness, high ion conductivity, and low porosity, effectively suppressing lithium dendrite propagation and penetration, resulting in a high reversible capacity for the battery.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Review
Electrochemistry
Zhan Wu, Xiaohan Li, Chao Zheng, Zheng Fan, Wenkui Zhang, Hui Huang, Yongping Gan, Yang Xia, Xinping He, Xinyong Tao, Jun Zhang
Summary: Due to their high energy density and environmental friendliness, lithium-ion batteries (LIBs) have been widely used in electric vehicles, energy storage systems, and other devices. However, the traditional LIBs with liquid electrolytes (LEs) pose safety hazards. In order to achieve higher safety and energy density, researchers are exploring the use of solid-state electrolytes (SSEs) instead. This review comprehensively summarizes the behaviors, properties, and mechanisms of interfaces in all-solid-state lithium batteries with various sulfide SSEs, as well as recent research progress on characterization methods and designs to stabilize interfaces. Outlooks, challenges, and possible interface engineering strategies are also discussed.
ELECTROCHEMICAL ENERGY REVIEWS
(2023)
Article
Chemistry, Physical
Takuya Kimura, Takumi Nakano, Atsushi Sakuda, Masahiro Tatsumisago, Akitoshi Hayashi
Summary: All-solid-state batteries have potential as energy storage devices due to their high safety and energy density. Sulfide-based solid electrolytes, although they have high ionic conductivities and ductility, are sensitive to moisture. Li4SnS4 electrolytes can mitigate these weaknesses by suppressing the evolution of H2S gas in a humid environment. The mechanism behind this suppression was investigated and it was found that the formation of stable hydrates plays a role. These findings will contribute to the design of moisture-resistant sulfide materials.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Nanoscience & Nanotechnology
Taichi Asakura, Takeaki Inaoka, Chie Hotehama, Hiroe Kowada, Kota Motohashi, Atsushi Sakuda, Masahiro Tatsumisago, Akitoshi Hayashi
Summary: The operating conditions of sulfide-based all-solid-state Li/S batteries were studied to suppress the formation of voids. It was found that using Li-Mg alloy electrodes can improve the cycling stability of the batteries and allow them to operate at high current densities.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Electrochemistry
Yusuke Morino, Hikaru Sano, Akihiro Shiota, Koji Kawamoto, Tsukasa Takahashi, Norihiko Miyashita, Atsushi Sakuda, Akitoshi Hayashi
Summary: All-solid-state batteries (ASSBs) using sulfide solid electrolytes (SEs) have longer lifetimes than liquid-type lithium-ion batteries (LIBs) using organic solvents. However, the influence of exposure to moisture on the durability of ASSB cell performance is not fully understood. In this study, the investigation of moisture's influence on the durability of an ASSB positive electrode with sulfide SE exposed to dry-room-simulated air was conducted, and a characteristic degradation mode was observed.
Article
Electrochemistry
Hikaru Sano, Yusuke Morino, Yasuyuki Matsumura, Koji Kawamoto, Hiroyuki Higuchi, Noriyuki Yamamoto, Atsunori Matsuda, Hirofumi Tsukasaki, Shigeo Mori, Atsush Sakuda, Akitoshi Hayashi
Summary: This study examines the stability of Li3PS4-LiI glass ceramic (LPSI) under low-humidity conditions and found that exposure to dry air at -20 degrees C resulted in low H2S gas generation and reduced ionic conductivity. Vacuum heating can recover most of the conductivity, indicating that H2S generation is not the main reason for the conductivity reduction. It is suggested that water molecules on the LPSI powder particles after dry-air exposure lead to the formation of a degraded LPSI layer and low ionic conductivity.
Article
Chemistry, Inorganic & Nuclear
Hamdi Ben Yahia, Kota Motohashi, Atsushi Sakuda, Akitoshi Hayashi
Summary: A new binary sodium magnesium sulfide (Na6MgS4) was synthesized by mechanochemical synthesis from Na2S and MgS. Na6MgS4 is highly sensitive to oxygen traces and partially decomposes. Excess MgS was used in the milling process to successfully reduce the impurity ratio from 38% (Na2S + MgO) to 13% MgO. The crystal structure and properties of Na6MgS4 were characterized by various techniques, and it was found to be isostructural to Na6ZnO4. Additionally, indium-doped samples (Na6-x Mg1-x In x S4) with improved ionic conductivities were prepared.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Yusuke Morino, Hikaru Sano, Koji Kawamoto, Hiroyuki Higuchi, Noriyuki Yamamoto, Atsunori Matsuda, Ken-ichi Fukui, Atsushi Sakuda, Akitoshi Hayashi
Summary: Sulfide-based solid electrolytes have high lithium-ion conductivities, but react strongly with moisture, resulting in toxic gas generation and reduced conductivity. This study investigates the changes in a glass-ceramic sulfide-based solid electrolyte before and after exposure to moisture, focusing on surface chemical species and adsorbed water. Moisture exposure decreases lithium-ion conductivity due to water adsorption onto the electrolyte surface.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Physical
Takashi Hakari, Minako Deguchi, Atsushi Sakuda, Masahiro Tatsumisago, Akitoshi Hayashi
Summary: This study explores a new function of amorphous active materials through heat treatment and demonstrates active materials with crystalline/amorphous nanoheterostructures. These nanoheterostructures show high electrochemical performance by reducing the interface resistance of the active material and solid electrolyte. This paper reports a new strategy for developing high-performance energy storage devices based on annealing amorphous materials.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Multidisciplinary
Yushi Fujita, Atsushi Sakuda, Yuki Hasegawa, Minako Deguchi, Kota Motohashi, Ding Jiong, Hirofumi Tsukasaki, Shigeo Mori, Masahiro Tatsumisago, Akitoshi Hayashi
Summary: All-solid-state lithium-sulfur (Li/S) batteries show high capacities and long cycle lives. This study develops a Li2S-Li2O-LiI positive electrode with an active material dispersed in an amorphous matrix. The electrode exhibits high charge-discharge capacities and a high specific capacity at a 2 C rate and 25 degrees C, with nanoscale ion-conduction pathways provided by Li2O-LiI. Furthermore, a cell with a high areal capacity is successfully operated using this positive electrode.
Article
Chemistry, Physical
Yusuke Morino, Hikaru Sano, Koji Kawamoto, Ken-ichi Fukui, Masato Takeuchi, Atsushi Sakuda, Akitoshi Hayashi
Summary: Sulfide-based solid electrolytes are promising for solid-state lithium batteries due to their high ionic conductivities, suitable mechanical properties, and wide electrochemical windows. However, the hygroscopic nature of sulfide in these materials leads to the generation of toxic H2S gas upon reacting with water, which reduces the lithium-ion conductivity. On the other hand, it has been observed that conducting performance can be partially recovered through suitable heat treatment. This study employed multiple spectroscopic analyses to investigate the degradation and recovery mechanisms of a sulfide solid electrolyte under moisture exposure and vacuum heat treatment.
SOLID STATE IONICS
(2023)
Article
Materials Science, Multidisciplinary
Hiroki Yamada, Koji Ohara, Satoshi Hiroi, Atsushi Sakuda, Kazutaka Ikeda, Takahiro Ohkubo, Kengo Nakada, Hirofumi Tsukasaki, Hiroshi Nakajima, Laszlo Temleitner, Laszlo Pusztai, Shunsuke Ariga, Aoto Matsuo, Jiong Ding, Takumi Nakano, Takuya Kimura, Ryo Kobayashi, Takeshi Usuki, Shuta Tahara, Koji Amezawa, Yoshitaka Tateyama, Shigeo Mori, Akitoshi Hayashi
Summary: Controlling Li ion transport in glasses is crucial for developing all-solid-state batteries. Li3PS4 glass, a solid electrolyte candidate, shows a dynamic coupling effect between Li+ cation mobility and PS43- anion libration, known as the paddlewheel effect. Additionally, it exhibits a coordinated cation diffusion effect (cation-cation interactions) that enhances Li ion transport. The correlation between Li+ ions in the glass structure can be determined by evaluating their valence oscillations, providing insights for the development of new solid electrolytes.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Electrochemistry
Atsushi Sakuda
Summary: Lithium/transition-metal polysulfide batteries are promising candidates for next-generation high-energy density batteries, with large reversible capacities and multi-electron reaction characteristics. This comprehensive paper introduces the concept, research, and development of transition metal polysulfide electrode active materials, and summarizes the author's perspectives on this concept. Additionally, the diversity of coordination structures and unique structural changes during charging and discharging are discussed.
Article
Chemistry, Physical
Yusuke Morino, Hikaru Sano, Shunsuke Kawaguchi, Satoshi Hori, Atsushi Sakuda, Tsukasa Takahashi, Norihiko Miyashita, Akitoshi Hayashi, Ryoji Kanno
Summary: Sulfide-based solid electrolytes have attracted attention for solid-state lithium batteries due to their high ionic conductivities and suitable mechanical properties. However, sulfides react with moisture to generate toxic gas, which leads to the degradation of lithium ionic conductivity. In this study, impedance spectroscopy measurements were conducted to investigate the effect of moisture degradation on solid electrolyte particles. It was found that the impedance and activation energy of the grain boundaries between the particles increased, which inhibited lithium ionic conduction.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Physical
Yushi Fujita, Takuya Kimura, Minako Deguchi, Kota Motohashi, Atsushi Sakuda, Masahiro Tatsumisago, Hirofumi Tsukasaki, Shigeo Mori, Kazutaka Ikeda, Koji Ohara, Naoaki Kuwata, Koji Amezawa, Akitoshi Hayashi
Summary: All-solid-state lithium-ion batteries with flame-retardant inorganic solid electrolytes have great potential due to their high safety. Oxide-based solid electrolytes with high chemical stability and lithium-ion conductivity are attractive, and the development of new oxide-based solid electrolytes with high ionic conductivity and ductility is crucial for improving the overall performance of all-solid-state batteries.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Physical
Jiong Ding, Yushi Fujita, Hirofumi Tsukasaki, Hiroshi Nakajima, Atsushi Sakuda, Akitoshi Hayashi, Shigeo Mori
Summary: All-solid-state rechargeable batteries with Li2S-based positive electrode active materials have attracted much attention. The microstructural changes of Li2S-based positive electrode were investigated using transmission electron microscopy, and reversible structural changes and the role of nanocrystals were discovered.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Wenli Pan, Kentaro Yamamoto, Nobuya Machida, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Summary: Li2S is a promising cathode candidate for solid-state batteries, but its ionically insulating nature poses challenges. This study improves the intrinsic conductivity of Li2S by doping with PI3, resulting in a cathode material with high energy density and good rate performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
