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Heat generation rate measurement in a Li-ion cell at large C-rates through temperature-์ „์่ง ๋ฐœ์—ด ์ธก์ • ๋…ผ๋ๅฉ ๋ฆฌ๋ทฐ

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์ตœ์ดˆ๋“ฑ๋ก์ผ 2022.01.22 ์ตœ์ข…์ ฟ’์ž‘์ผ 2021.03
7P ๋ฏธ๋้ฉ๋ณด๊ธฐ
Heat generation rate measurement in a Li-ion cell at large C-rates through temperature-์ „์่ง ๋ฐœ์—ด ์ธก์ • ๋…ผ๋ๅฉ ๋ฆฌ๋ทฐ
  • ๋ฏธ๋้ฉ๋ณด๊ธฐ

    ์†Œ๊ฐœ

    "Heat generation rate measurement in a Li-ion cell at large C-rates through temperature-์ „์่ง ๋ฐœ์—ด ์ธก์ • ๋…ผ๋ๅฉ ๋ฆฌ๋ทฐ"์— ๋Œ€ํ•œ ๋‚ด์šฉ์ž…๋‹ˆ๋‹ค.

    ๋ชฉ์ฐจ

    1. Introduction
    2. Experimental
    3. Results and discussion

    ๋ณธ๋ๅฉ๋‚ด์šฉ

    Introduction
    .Purpose of paper
    - Presents experimental method for heat generation measurement in Li-ion cells: a novel method for indirect measurement of internal temperature
    - Experimental data agrees with well-stablished theoretical models and results contribute towards thermal safety

    .When temperature rise in the cell: affects the rates of electrochemical reactions and electrical impedances โ†’ affects electrochemical and electrical performance
    .Safety at high temperature: A series of exothermic reactions feeding into each other are known to occur if the cell temperature exceeds a certain threshold
    โ†’ a serious concern that may lead to catastrophic failure

    ์ฐธ๊ณ ์ž๋ฃŒ

    ยท ์—†์Œ
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    ์ด ๋ฌธ์„œ๋Š” ๋ฆฌํŠฌ ์ด์˜จ ์ „์่ง์˜ ์—ด ์ƒ์„ฑ ์ธก์ •์„ ์œ„ํ•œ ์ƒˆ๋กœ์šด ๊ฐ„์ ‘ ์ธก์ • ๋ฐฉ๋ฒ•์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์‹คํ—˜ ๋ฐ์ดํ„ฐ์™ฟ’ ์ด๋ก  ๋ชจ๋ธ์„ ๋น„๊ตํ•œ ๊ฒฐ๊ณผ, ๋‘ ๊ฒฐ๊ณผ๊ฐ€ ์ž˜ ์ผ์น˜ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค. ์ด๋Š” ์ „์่ง ๋‚ด๋ถ€ ์˜จ๋„ ์ƒ์Šน์ด ์ „๊ธฐํ™”ํ•™ ๋ฐ˜์‘ ์†๋„์™ฟ’ ์ „๊ธฐ ์ž„ํ”ผ๋˜์Šค์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋ฉฐ, ์•ˆ์ „์„ฑ ์ธก๋ฉด์—์„œ ์‹ฌ๊ฐํ•œ ๋ฌธ์ œ๋ฅผ ์•ผ๊ธฐํ•  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. ์ œ์•ˆ๋œ ๋ฐฉ๋ฒ•์€ ์ „์่ง ๋‚ด๋ถ€ ์˜จ๋„ ๋ณ€ํ™”๋ฅผ ์ •ํ™•ํ•˜๊ฒŒ ์ธก์ •ํ•  ์ˆ˜ ์žˆ์–ด ์—ด ์•ˆ์ „์„ฑ ์—ฐ๊ตฌ์— ๊ธฐ์—ฌํ•  ๊ฒƒ์œผ๋กœ ๊ธฐ๋Œ€๋ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ ์ „์่ง ๋ƒ‰๊ฐ ์‹œ์Šคํ…œ ์„ค๊ณ„์—๋„ ์œ ์šฉํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค. ์ด ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋Š” ๋ฆฌํŠฌ ์ด์˜จ ์ „์่ง์˜ ์—ด ๊ด€๋ฆฌ์™ฟ’ ์•ˆ์ „์„ฑ ํ–ฅ์ƒ์„ ์œ„ํ•œ ์ค‘์š”ํ•œ ๊ธฐ์—ฌ๋ฅผ ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
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      ๋ฆฌํŠฌ ์ด์˜จ ์ „์่ง์˜ ์—ด ์ƒ์„ฑ ์ธก์ •์„ ์œ„ํ•œ ์ƒˆ๋กœ์šด ๊ฐ„์ ‘ ์ธก์ • ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•˜๊ณ , ์‹คํ—˜ ๋ฐ์ดํ„ฐ์™ฟ’ ์ด๋ก  ๋ชจ๋ธ์„ ๋น„๊ตํ•˜์—ฌ ์—ด ์•ˆ์ „์„ฑ์— ๋Œ€ํ•œ ์ค‘์š”ํ•œ ํ†ต์ฐฐ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
    • ์ž์ฃผ๋ฌป๋Š”์งˆ๋ๅฉ์˜ ๋‹ต๋ณ€์„ ํ™•์ธํ•ด ์ฃผ์„ธ์š”

      ํ•ดํ”ผ์บ ํผ์Šค FAQ ๋”๋ต–๊ธฐ

      ๊ผญ ์•Œ์•„์ฃผ์„ธ์š”

      • ์ž๋ฃŒ์˜ ์ •๋ณด ๋ฐ ๋‚ด์šฉ์˜ ์ง„์‹ค์„ฑ์— ๋Œ€ํ•˜์—ฌ ํ•ดํ”ผ์บ ํผ์Šค๋Š” ๋ณด์ฆํ•˜์ง€ ์•Š์œผ๋ฉฐ, ํ•ด๋‹น ์ •๋ณด ๋ฐ ๊ฒŒ์‹œ๋ฌผ ์ €์ž‘๊ถŒ๊ณผ ๊ธฐํƒ€ ๋ฒ•์  ์ฑ…์ž„์€ ์ž๋ฃŒ ๋“ฑ๋ก์ž์—๊ฒŒ ์žˆ์Šต๋‹ˆ๋‹ค.
        ์ž๋ฃŒ ๋ฐ ๊ฒŒ์‹œ๋ฌผ ๋‚ด์šฉ์˜ ๋ถˆ๋ฒ•์  ์ด์šฉ, ๋ฌด๋‹จ ์ „์žฌโˆ™๋ฐฐํฌ๋Š” ๊ธˆ์ง€๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
        ์ €์ž‘๊ถŒ์นจํ•ด, ๋ช…์˜ˆํ›ผ์† ๋“ฑ ๋ถ„์Ÿ ์š”์†Œ ๋ฐœ๊ฒฌ ์‹œ ๊ณ ๊ฐ๋น„๋ฐ”์นด์ง€๋…ธ Viva์˜ ์ €์ž‘๊ถŒ์นจํ•ด ์‹ ๊ณ ๋น„๋ฐ”์นด์ง€๋…ธ Viva๋ฅผ ์ด์šฉํ•ด ์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
      • ํ•ดํ”ผ์บ ํผ์Šค๋Š” ๊ตฌ๋งค์ž์™ฟ’ ํŒ๋งค์ž ๋ชจ๋‘๊ฐ€ ๋งŒ์กฑํ•˜๋Š” ์„œ๋น„์Šค๊ฐ€ ๋˜๋„๋ก ๋…ธ๋ ฅํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์•„๋ž˜์˜ 4๊ฐ€์ง€ ์ž๋ฃŒํ™˜๋ถˆ ์กฐ๊ฑด์„ ๊ผญ ํ™•์ธํ•ด์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
        ํŒŒ์ผ์˜ค๋ฅ˜ ์ค‘๋ณต์ž๋ฃŒ ์ €์ž‘๊ถŒ ์—†์Œ ์„ค๋ช…๊ณผ ์‹ค์ œ ๋‚ด์šฉ ๋ถˆ์ผ์น˜
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    ๋ฌธ์„œ ์ดˆ์•ˆ์„ ์ƒ์„ฑํ•ด์ฃผ๋Š” EasyAI
    ์•ˆ๋…•ํ•˜์„ธ์š”. ํ•ดํ”ผ์บ ํผ์Šค์˜ ๋ฐฉ๋Œ€ํ•œ ์ž๋ฃŒ ์ค‘์—์„œ ์„ ๋ณ„ํ•˜์—ฌ ๋‹น์‹ ๋งŒ์˜ ์ดˆ์•ˆ์„ ๋งŒ๋“ค์–ด์ฃผ๋Š” EasyAI ์ž…๋‹ˆ๋‹ค.
    ์ €๋Š” ์•„๋ž˜์™ฟ’ ๊ฐ™์ด ์ž‘์—…์„ ๋„์™ฟ’๋“œ๋ฆฝ๋‹ˆ๋‹ค.
    - ์ฃผ์ œ๋งŒ ์ž…๋ ฅํ•˜๋ฉด ๋ชฉ์ฐจ๋ถ€ํ„ฐ ๋ณธ๋ๅฉ๋‚ด์šฉ๊นŒ์ง€ ์ž๋™ ์ƒ์„ฑํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค.
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    ์ด๋Ÿฐ ์ฃผ์ œ๋“ค์„ ์ž…๋ ฅํ•ด ๋ณด์„ธ์š”.
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