CN116134642A - 正极材料及包含其的电化学装置和电子装置 - Google Patents

正极材料及包含其的电化学装置和电子装置 Download PDF

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CN116134642A
CN116134642A CN202080103114.2A CN202080103114A CN116134642A CN 116134642 A CN116134642 A CN 116134642A CN 202080103114 A CN202080103114 A CN 202080103114A CN 116134642 A CN116134642 A CN 116134642A
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positive electrode
fluoride
metal
electrode material
lithium
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刘小浪
周墨林
徐磊敏
鲁宇浩
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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    • H—ELECTRICITY
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    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
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    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
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Abstract

本申请涉及正极材料及包含其的电化学装置和电子装置。本申请提供一种正极材料，其包括一种复合材料，所述复合材料包括金属氟化物，其中所述金属氟化物中氟元素F与金属元素M的摩尔比为y，所述复合材料中氟元素F和金属元素M的摩尔比为z，其中y＜z≤y+2；并且其中所述M包括Al、Cu、Co、Ni、Mn、Fe或Ag中的至少一种。本申请的正极材料具有原料来源广泛，制备工艺简单，易于操作，生产成本较低等优点。由本申请正极材料制备的锂电池具有提高的正极材料比容量、倍率性能和循环性能以及较好的充放电性能。

Description

PCT国内申请，说明书已公开。

Claims (9)

  1. PCT国内申请，权利要求书已公开。
CN202080103114.2A 2020-08-27 2020-08-27 正极材料及包含其的电化学装置和电子装置 Pending CN116134642A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/111604 WO2022041025A1 (zh) 2020-08-27 2020-08-27 正极材料及包含其的电化学装置和电子装置

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CN116134642A true CN116134642A (zh) 2023-05-16

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US (1) US20230216026A1 (zh)
EP (1) EP4207368A4 (zh)
JP (1) JP2023538140A (zh)
KR (1) KR20230037673A (zh)
CN (1) CN116134642A (zh)
WO (1) WO2022041025A1 (zh)

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CN117154080B (zh) * 2023-10-31 2024-02-23 有研(广东)新材料技术研究院 一种全固态电池包覆型卤化物正极复合材料及其制备方法和应用

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CN104766995B (zh) 2015-03-31 2017-03-15 宁德时代新能源科技股份有限公司 一种电解液添加剂及其在锂离子电池中的应用
CN108172765A (zh) * 2016-12-08 2018-06-15 宁德时代新能源科技股份有限公司 动力电池及其正极极片
CN107634224B (zh) * 2017-09-14 2020-11-27 辽宁兰晶科技有限公司 一种含氟化铁插层物的外壁氟化多壁碳纳米管的制备方法
CN110112394B (zh) * 2019-05-14 2021-12-10 中国民航大学 一种氟化碳/氟化金属复合正极材料的制备方法

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EP4207368A4 (en) 2023-10-18
KR20230037673A (ko) 2023-03-16
EP4207368A1 (en) 2023-07-05
US20230216026A1 (en) 2023-07-06
JP2023538140A (ja) 2023-09-06
WO2022041025A1 (zh) 2022-03-03

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