Negative electrode active material for lithium secondary batteries and method for manufacturing the same
JP2026519630APending Publication Date: 2026-06-16POSCO FUTURE M CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- POSCO FUTURE M CO LTD
- Filing Date
- 2024-08-20
- Publication Date
- 2026-06-16
AI Technical Summary
Benefits of technology
【0029】 本発明の一実施例による、リチウム二次電池用負極活物質は高密度球形化および冷間等方圧プレス(Cold Isostatic Pressing)を経て表面に気孔(Pore)が形成され、リチウム(Li)イオンの移動性を向上させ、結晶配向性が多方面化されることにより、高出力特性および高エネルギー密度を同時に実現できる負極活物質を提供することができる。
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Abstract
The present invention relates to a negative electrode active material for lithium secondary batteries and a method for producing the same, wherein the negative electrode active material for lithium secondary batteries contains natural graphite and satisfies the following formula 1. <Expression 1> 2.23 ≤ [D90] / [D10] ≤ 2.37 (In formula 1 above, [D10] and [D90] represent particle sizes corresponding to 10% and 90% of the cumulative volume of the negative electrode active material, measured using the laser diffraction method.)
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