The cathode and the electrolyte are two key components in lithium-ion batteries. The battery’s longevity can be influenced by the degradation of cathodes. While scientists are making significant progress in understanding lithium-ion batteries, there is an ongoing debate on what causes the self-discharge phenomenon.
Scientists identified a new mechanism causing lithium-ion battery self-discharge and degradation: cathode hydrogenation. They revealed how protons and electrons from the electrolyte impact the cathode.
Lithium-ion batteries are rechargeable and use lithium ions to store energy. The cathode and the electrolyte are two key components in lithium-ion batteries. The battery’s longevity can be influenced by the degradation of cathodes.
Hydrogenation occurring in delithiated cathodes may affect the chemo-mechanical coupling of layered cathodes as well as the calendar life of lithium-ion batteries. Coupled ion-electron transfer is a fundamental process that has been adapted in the switching of physical properties (1, 2), catalysis (3), and energy storage (4 – 6).
It is the ideal pairing of the X-ray studies and electrochemistry that enables our discoveries on how cathode hydrogenation occurs in lithium-ion batteries and impacts self-discharge,” said study lead Gang Wan, a physical science research scientist at Stanford University.
In electrochemical energy storage devices, such as lithium-ion batteries (LIBs), the Li + intercalation is coupled to electron transfer when energy is converted from chemical into electrical forms (5, 7, 8). LIBs continue to face the challenge of voltage and capacity fading over time.
Enhancing niobium-based oxides for high-performance lithium …
As a branch of intercalation type niobium-based anodes for lithium-ion batteries, Nb26Mo4O77 samples are synthesized by hydrothermal and solid-state method, respectively, while the structure and ...
Enhancing niobium-based oxides for high-performance lithium …
Niobium-based oxides (NMO) have attracted widespread research enthusiasm in the field of energy storage systems, including lithium-ion batteries (LIBs). Most recently, MoNb_12O_33 was reported as a promising material for LIBs due to its long-term cyclability, high theoretical/practical capacities, safe operating potential, and excellent structural stability. …
Self-assembled multifunctional Fe3O4 hierarchical microspheres: high ...
As anode materials for lithium ion batteries, the Fe3O4/G nanocomposites exhibited significantly enhanced electrochemical performance with excellent cycling stability and a high reversible ...
Battery chemistry advance promises to deliver …
Cathode hydrogenation identified as the primary cause of lithium battery degradation. Comments (11) When you purchase through links on our site, we may earn an affiliate commission.
Hydrogenation effects on the lithium ion battery performance of …
As anode materials for lithium ion batteries, the hydrogenated TiOF2 showed a superior rate performance compared to the pristine TiOF 2. A charge capacity of 118.4 mA h g …
Direct Reuse of Spent Lithium-Ion Batteries as an …
"Black mass", namely, the mixture of anodic and cathodic materials arising from mechanical shredding of spent Li-ion batteries (LIBs), can be easily converted into an efficient heterogeneous catalyst for selective …
Purification of Lithium Carbonate from Sulphate Solutions …
Solutions through Hydrogenation Using the Dowex G26 Resin Wei-Sheng Chen 1, Cheng-Han Lee 1,* and Hsing-Jung Ho 2,* 1 Department of Resources Engineering, National Cheng ... In this experiment, the waste lithium-ion batteries were crushed, sieved, leached with sulfuric acid, eluted with an extractant, and finally sulphate solutions were ...
Giving batteries a longer life with the Advan | EurekAlert!
It is the ideal pairing of the X-ray studies and electrochemistry that enables our discoveries on how cathode hydrogenation occurs in lithium-ion batteries and impacts self-discharge," said ...
Hydrogenation effects on the lithium ion battery performance of …
Hydrogenated titanium oxyfluorides (TiOF 2) nanoparticles were synthesized via one-pot hydrothermal method and subsequent hydrogenation treatment. As anode materials …
Solvent-mediated oxide hydrogenation in …
In electrochemical energy storage devices, such as lithium-ion batteries (LIBs), the Li + intercalation is coupled to electron transfer when energy is converted from chemical into …
A high capacity nanocrystalline Sn anode for lithium ion batteries …
The hydrogenation induced phase segregation is a simple top-down approach to obtain high performance nanocrystalline Sn anode materials for lithium ion batteries. Hydrogenation of the bulk YSn2 intermetallic sample in mechanical milling yields a nanocomposite composed of Sn nanocrystals dispersed in the amorphous yttrium hydride (YHx) phase.
[PDF] Self-assembled multifunctional Fe3O4 ...
@article{Wu2020SelfassembledMF, title={Self-assembled multifunctional Fe3O4 hierarchical microspheres: high-efficiency lithium-ion battery materials and hydrogenation catalysts}, author={Konglin Wu and Min Ling and Peiyuan Zeng and Liang Zhang and Tao Wu and Pingli Guan and Weng-Chon (Max) Cheong and Zheng Chen and Zhen Fang and …
Synthesis of Nickel-Based Catalysts from Spent Lithium-Ion …
1 · The recovery and reuse of cathode materials from spent lithium-ion batteries (LIBs) have gained significant attention in recent years. In this work, we successfully transformed Ni, Co, …
Hydrogenated titanium dioxide modified core–shell structure Fe
Pei prepared a lithium battery anode by hydrothermally growing spherical Fe 3 O 4 and rod NiO on a reduced graphene oxide surface. ... The hydrogenation will change the valence states of electrons in TiO 2, so we analyzed the Ti 2p spectra of TiO 2 /C/Fe 3 O 4 @NiO and H-TiO 2 /C/Fe 3 O 4 @NiO, ...
Direct Reuse of Spent Lithium-Ion Batteries as an …
Here, we demonstrate a concept showing how LIBs, after appropriate thermal treatments, can be directly used as catalysts for the selective hydrogenation of biobased furfural and other biomass-derived aldehydes and …
Advanced Sustainable Systems
Lithium batteries represent a significant energy storage technology, with a wide range of applications in electronic products and emerging energy sectors. Concurrently, the high-value recycling and utilization of waste lithium-ion batteries (LIBs) has emerged as a prominent area of research. This review commences with an examination of the ...
Enhancing niobium-based oxides for high-performance lithium …
Keywords Electrochemical performance · Oxygen vacancies · Anode material · Hydrogenation treatment · Lithium-ion battery Introduction Over the past decade, energy storage has garnered signifi-cant interest, as it is vital for meeting global energy demands and the quest for renewable energy sources [1 –3]. Lithium-
Purification of lithium carbonate from sulphate solutions …
Next, sodium carbonate was first added to the sulphate solutions, to precipitate lithium carbonate (Li 2 CO 3). After that, lithium carbonate was put into the water to create lithium carbonate slurry and CO 2 was added to it. The aeration of CO 2 and the hydrogenation temperature were controlled, in this experiment. Subsequently, Dowex G26 ...
Solvent-mediated oxide hydrogenation in …
Hydrogenation occurring in delithiated cathodes may affect the chemo-mechanical coupling of layered cathodes as well as the calendar life of lithium-ion batteries. Coupled …
Layered oxide cathodes: A comprehensive review of characteristics ...
(3) In terms of modification methods, common strategies for both lithium-ion and sodium-ion batteries include surface coatings, multi-element alloying and doping techniques, structural morphology control, etc. (4) In terms of equipment processes, sodium-ion battery layered cathodes are highly compatible with lithium-ion battery cathodes, and the preparation of …
Highly Crystalline Layered VS2 Nanosheets for All-Solid …
All-solid-state lithium batteries employing inorganic solid electrolytes have been regarded as an ultimate solution to safety issues because of their features of no leakage as well as incombustibility and they are …
Enhancing niobium-based oxides for high-performance lithium …
These findings demonstrate the viability of hydrogenation treatment as a method for improving the intrinsic electronic conductivity, lithium-ion mobility, and overall …
Hydrogenated Anatase TiO2 as Lithium-Ion Battery Anode: Size …
An improved hydrogenation strategy for controllable synthesis of oxygen-deficient anatase TiO2 (H-TiO2) is performed via adjusting the particle size of starting rectangular anatase TiO2 nanosheets from 90 to 30 nm. ... Hydrogenated Anatase TiO2 as Lithium-Ion Battery Anode: Size-Reactivity Correlation ACS Appl Mater Interfaces. 2016 Aug 10;8(31 ...
Abnormal self-discharge in lithium-ion batteries
Lithium-ion batteries are expected to serve as a key technology for large-scale energy storage systems (ESSs), which will help satisfy recent increasing demands for renewable energy utilization. Besides their promising electrochemical performance, the low self-discharge rate (<5% of the stored capacity over 1 month) of lithium-ion batteries is ...
BATTERIES Solvent-mediated oxide hydrogenation in layered …
Solvent-mediated oxide hydrogenation in layered cathodes Gang Wan1,2*, Travis P. Pollard3, Lin Ma3,4, Marshall A. Schroeder3, Chia-Chin Chen5, Zihua Zhu6, ... In rechargeable lithium-ion batteries, self-discharge in cathodes causes voltage and capacity loss over time. The prevailing self-discharge model centers on the
Hydrogenation Synthesis of Blue TiO2 for High-Performance Lithium …
DOI: 10.1021/JP501819P Corpus ID: 102151445; Hydrogenation Synthesis of Blue TiO2 for High-Performance Lithium-Ion Batteries @article{Qiu2014HydrogenationSO, title={Hydrogenation Synthesis of Blue TiO2 for High-Performance Lithium-Ion Batteries}, author={Jingxia Qiu and Sheng Li and Evan MacAlpin Gray and Hongwei Liu and Qinfen Gu …
Electrochemical extraction technologies of lithium: Development …
Electrochemical lithium extraction methods mainly include capacitive deionization (CDI) and electrodialysis (ED). Li + can be effectively separated from the coexistence ions with Li-selective electrodes or membranes under the control of an electric field. Thanks given to the breakthroughs of synthetic strategies and novel Li-selective materials, high-purity battery-grade lithium salts …
Hydrogenation effects on the lithium ion battery performance of …
Hydrogenated titanium oxyfluorides (TiOF 2) nanoparticles were synthesized via one-pot hydrothermal method and subsequent hydrogenation treatment. As anode materials for lithium ion batteries, the hydrogenated TiOF 2 showed a superior rate performance compared to the pristine TiOF 2.A charge capacity of 118.4 mA h g −1 was achieved at the current density …
Solvent-Mediated Oxide Hydrogenation in Layered Cathodes
Self-discharge and chemically induced mechanical effects degrade calendar and cycle life in intercalation-based electrochromic and electrochemical energy storage devices. In rechargeable lithium-ion batteries, self-discharge in cathodes causes voltage and capacity loss over time. The prevailing self-discharge model centers on the diffusion of lithium ions from the …