Recycling batteries with citric acid

Highly efficient recycling process for NCM lithium-ion batteries

19-Nov-2024 - A simple, highly efficient, inexpensive, and environmentally friendly process could provide a viable pathway for the sustainable recycling of depleted lithium-ion batteries (LIBs): No chemicals beyond citric acid need to be added to leach out and separate over 99 % of the lithium, nickel, cobalt, ...

Stabilizing lithium-ion batteries: The vanadium touch

Simple, effective modification improves the sustainability and performance of high-energy lithium-ion batteries

13-Nov-2024 - As demand surges for electric vehicles and energy storage systems, lithium-ion batteries need to deliver higher energy densities at lower costs. While conventional cathode materials like LiFePO4 and Li-Ni-Co-Mn-O are widely used, they often fail to balance performance with affordability. ...

New electrocatalytic strategy enables ultrafast-charging lithium-ion battery

26-Sep-2024 - A team led by Prof. JI Hengxing and Prof. WU Xiaojun from the University of Science and Technology of China (USTC), in collaboration with Prof. DUAN Xiangfeng's team from the University of California, Los Angeles, developed a novel strategy for solid-state electrocatalysis in lithium-ion ...

Folded or cut, this lithium-sulfur battery keeps going

19-Sep-2024 - Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged. To address stability and safety issues, researchers reporting in ACS Energy Letters have ...

Completely stretchy lithium-ion battery for flexible electronics

This new way of creating fully stretchable, solid batteries could be a promising step forward for wearable or implantable devices that flex and move with the body

19-Jul-2024 - When you think of a battery, you probably don’t think stretchy. But batteries will need this shape-shifting quality to be incorporated into flexible electronics, which are gaining traction for wearable health monitors. Now, researchers in ACS Energy Letters report a lithium-ion battery with ...

More Economical and Sustainable Rechargeable Batteries

Ultralow-concentration electrolyte for lithium-ion batteries

23-Apr-2024 - Lithium salts make batteries powerful but expensive. An ultralow-concentration electrolyte based on the lithium salt LiDFOB may be a more economical and more sustainable alternative. Cells using these electrolytes and conventional electrodes have been demonstrated to have high performance, as ...

Direct lithium extraction from spent batteries for efficient lithium recycling

This study proposed a simple, efficient, and low-energy chemical leaching strategy

04-Apr-2024 - Recently, the research findings of Professor Xie's group (Huazhong University of Science and Technology) were published in Science Bulletin. This study proposed a simple, efficient, and low-energy chemical leaching strategy, utilizing a lithium extraction solution composed of polycyclic aromatic ...

Improving lithium-sulfur batteries with metal organic framework-based materials

04-Mar-2024 - Current lithium-ion battery technology does not have the energy density necessary to meet the demands for renewable energy. In theory, lithium-sulfur batteries could be a viable alternative with a higher specific capacity and energy density. However, sulfur has disadvantages that currently limit ...

Researchers overview recent progress and challenges in silicon-based anode materials for lithium-ion batteries

16-Feb-2024 - Research in recent years displays that several chemical modifications (binders, composite materials, and electrolytes) provide superior stability and enhance electrochemical performance in Si-based anodes in lithium-ion batteries(LIBs). Thus far, several different chemical interactions on ...

Opportunities for ionic liquid-based electrolytes in rechargeable lithium batteries

05-Feb-2024 - To cope with the ever-increasing demand of modern society in energy storage field, continuous improvement of the prevailing lithium-ion batteries (LIBs) built with conventional organic solvents (e.g., ethers and/or carbonates) is urgently needed. Specifically, the ethers- and/or carbonates-based ...