CN115380404A - 一种负极材料及包含其的负极极片、电化学装置和电子装置 - Google Patents

一种负极材料及包含其的负极极片、电化学装置和电子装置 Download PDF

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CN115380404A
CN115380404A CN202080099224.6A CN202080099224A CN115380404A CN 115380404 A CN115380404 A CN 115380404A CN 202080099224 A CN202080099224 A CN 202080099224A CN 115380404 A CN115380404 A CN 115380404A
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negative electrode
electrode material
carbon
anode material
equal
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王超
易婷
崔航
谢远森
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Abstract

本申请提供一种负极材料及包含其的负极极片、电化学装置和电子装置。其中，所述负极材料为SiMxCy，0.5≤x≤2，0.5≤y≤4，M包括硼、氮、氧或铝中的至少一种；所述SiMxCy的数量累积度A％的粒径为DNA，体积累积度B％的粒径为DVB，数量分布曲线的半峰宽为ΔDN；其中：2μm≤(DV50‑DN50)≤6μm，1≤(DN99‑DN1)/ΔDN≤1.3。采用本申请的负极材料，及包含其的负极极片、电化学装置和电子装置均具有良好的循环性能和能量密度。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080099224.6A 2020-04-27 2020-04-27 一种负极材料及包含其的负极极片、电化学装置和电子装置 Pending CN115380404A (zh)

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PCT/CN2020/087205 WO2021217331A1 (zh) 2020-04-27 2020-04-27 一种负极材料及包含其的负极极片、电化学装置和电子装置

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CN115380404A true CN115380404A (zh) 2022-11-22

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US (1) US20230068610A1 (zh)
KR (1) KR20220146664A (zh)
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WO (1) WO2021217331A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN102299338B (zh) * 2011-07-27 2014-06-11 中国人民解放军国防科学技术大学 用于制备锂离子电池负极的SiOC陶瓷材料及其制备方法和锂离子电池
EP3018099A1 (en) * 2014-11-06 2016-05-11 Commissariat A L'energie Atomique Et Aux Energies Alternatives SiOC composite electrode material
KR101833401B1 (ko) * 2016-06-14 2018-04-13 한국과학기술연구원 실리콘옥시카바이드 복합체, 이의 제조방법 및 이를 포함하는 나트륨 이차전지용 음극소재
CN110416523B (zh) * 2019-08-05 2024-06-11 北方奥钛纳米技术有限公司 一种Si-O-C复合材料及其制备方法、硅碳复合材料

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KR20220146664A (ko) 2022-11-01
WO2021217331A1 (zh) 2021-11-04

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