文章信息/Info

Title:

Advances in Cathode Materials of Lithium-Ion Battery for Electric Vehicles

作者:

 馮 力; 沈曉彥; 黃金健; 張正淳

（江蘇海四達(dá)電源股份有限公司

Author(s):

FENG Li; SHEN Xiaoyan; HUANG Jinjian; ZHANG Zhengchun

Jiangsu Highstar Battery Manufactory Co., Ltd.

關(guān)鍵詞:

 ; 鋰離子動(dòng)力電池; 電動(dòng)工具; 放電容量; 倍率循環(huán)性能; 三元NMC; 磷酸鐵鋰LFP; 錳酸鋰LMO

DOI:

10.7502/j.issn.1674-3962.2016.07.08

文獻(xiàn)標(biāo)志碼:

A

摘要:

 中國是世界上最重要的電動(dòng)工具制造基地之一，也是主要的動(dòng)力電池研發(fā)和生產(chǎn)國家。鋰離子電池具有充放電倍率高、溫度適應(yīng)性寬、循環(huán)壽命長、無記憶效應(yīng)、比功率/比能量高和性價(jià)比高等優(yōu)點(diǎn)，正在全面取代NiCd、NiH等傳統(tǒng)電池，成為非插電式電動(dòng)工具的新型動(dòng)力。介紹了電動(dòng)工具用鋰離子電池的電化學(xué)性能和發(fā)展現(xiàn)狀，比較了不同正極材料（三元NMC，磷酸鐵鋰LFP以及錳酸鋰LMO等）對(duì)鋰離子電池充放電性能的影響，討論了電動(dòng)工具用鋰離子電池在不同溫度下的倍率充放電、大功率和高倍率下的脈沖放電、快速充放電循環(huán)壽命、高溫自放電穩(wěn)定性以及電池在短路濫用條件下的安全性。

Abstract:

China is one of the most important manufacturing bases for electric vehicles around the word, as well as the main country of research and production of rechargeable batteries. Lithium-ion battery has a high charge/discharge rate, wide temperature adaptability, long cycle life, no memory effect, high power/energy density, as well as cost advantages. Instead of traditional batteries (NiCd, NiH), Lithium-ion battery is becoming the new power for non-plug-in electric vehicles. The electrochemical performances and developments of lithium-ion batteries are discussed, and influences of different cathode materials (NMC, LiFePO4 and LiMn2O4) on the charge/discharge performances of lithium-ion batteries are compared. Electrochemical performances of lithium-ion batteries under different temperatures are discussed, including discharge capability, high-power pulse discharge performance under high magnification, fast charge/discharge cycles life, high temperature stability of self-discharge, as well as safety of the battery under short-circuit conditions.