High-Mass-Loading Electrodes for Advanced Secondary Batteries and Supercapacitors

Feng Wu, Mingquan Liu, Ying Li, Xin Feng, Kun Zhang, Ying Bai, Xinran Wang, Chuan Wu

doi:10.1007/s41918-020-00093-0

Electrochemical Energy Reviews >

2021 , Vol. 4 >Issue 2: 382 - 446

DOI: https://doi.org/10.1007/s41918-020-00093-0

High-Mass-Loading Electrodes for Advanced Secondary Batteries and Supercapacitors

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1. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;
2. Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100081, China

Received date: 2020-09-26

Revised date: 2020-10-27

Online published: 2021-06-19

Supported by

This work was supported by the National Basic Research Program of China (Grant No. 2015CB251100), the National Natural Science Foundation of China (Grant No. 21975026) and the Beijing Natural Science Foundation (Grant No. L182056).

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Abstract

The growing demand for advanced electrochemical energy storage systems (EESSs) with high energy densities for electric vehicles and portable electronics is driving the electrode revolution, in which the development of high-mass-loading electrodes (HMLEs) is a promising route to improve the energy density of batteries packed in limited spaces through the optimal enlargement of active material loading ratios and reduction of inactive component ratios in overall cell devices. However, HMLEs face significant challenges including inferior charge kinetics, poor electrode structural stability, and complex and expensive production processes. Based on this, this review will provide a comprehensive summary of HMLEs, beginning with a basic presentation of factors influencing HMLE electrochemical properties, the understanding of which can guide optimal HMLE designs. Rational strategies to improve the electrochemical performance of HMLEs accompanied by corresponding advantages and bottlenecks are subsequently discussed in terms of various factors ranging from inactive component modification to active material design to structural engineering at the electrode scale. This review will also present the recent progress and approaches of HMLEs applied in various EESSs, including advanced secondary batteries (lithium-/sodium-/potassium-/aluminum-/calcium-ion batteries, lithium metal anodes, lithium-sulfur batteries, lithium-air batteries, zinc batteries, magnesium batteries) and supercapacitors. Finally, this review will examine the challenges and prospects of HMLE commercialization with a focus on thermal safety, performance evaluation, advanced characterization, and production cost assessment to guide future development.

Full-text： https://link.springer.com/article/10.1007/s41918-020-00093-0

Key words： High mass loading; Thick electrode; High energy density; Advanced secondary battery; Supercapacitor

Cite this article

Feng Wu, Mingquan Liu, Ying Li, Xin Feng, Kun Zhang, Ying Bai, Xinran Wang, Chuan Wu . High-Mass-Loading Electrodes for Advanced Secondary Batteries and Supercapacitors[J]. Electrochemical Energy Reviews, 2021 , 4(2) : 382 -446 . DOI: 10.1007/s41918-020-00093-0

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