July 29, 2024

๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ, ์‹ ๊ธฐ์ˆ ์‚ฌ์—…ํˆฌ์ž์กฐํ•ฉ, ๊ธฐ๊ด€์ „์šฉ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ - ์ฐจ์ž…

๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ, ์‹ ๊ธฐ์ˆ ์‚ฌ์—…ํˆฌ์ž์กฐํ•ฉ, ๊ธฐ๊ด€์ „์šฉ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ - ์ฐจ์ž…


. ๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ ์‹ ๊ธฐ์ˆ ์‚ฌ์—…ํˆฌ์ž์กฐํ•ฉ ๊ธฐ๊ด€์ „์šฉ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ(PEF)
๋ฒ•๋ฅ  ๋ฒค์ฒ˜ํˆฌ์ž ์ด‰์ง„์— ๊ด€ํ•œ ๋ฒ•๋ฅ  (๋ฒค์ฒ˜ํˆฌ์ž๋ฒ•) ์—ฌ์‹ ์ „๋ฌธ๊ธˆ์œต์—…๋ฒ• (์—ฌ์ „๋ฒ•) ์ž๋ณธ์‹œ์žฅ๊ณผ ๊ธˆ์œตํˆฌ์ž์—…์— ๊ด€ํ•œ ๋ฒ•๋ฅ  (์ž๋ณธ์‹œ์žฅ๋ฒ•)
์ฐจ์ž…๊ด€๋ จ ์ œ52์กฐ(๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ ์—…๋ฌด์˜ ์ง‘ํ–‰ ๋“ฑ)
② ์—…๋ฌด์ง‘ํ–‰์กฐํ•ฉ์›์€ ๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ์˜ ์—…๋ฌด๋ฅผ ์ง‘ํ–‰ํ•  ๋•Œ ๋‹ค์Œ ๊ฐ ํ˜ธ์˜ ์–ด๋А ํ•˜๋‚˜์— ํ•ด๋‹นํ•˜๋Š” ํ–‰์œ„๋ฅผ ํ•˜์—ฌ์„œ๋Š” ์•„๋‹ˆ ๋œ๋‹ค. ๋‹ค๋งŒ, ๋ฒค์ฒ˜ํˆฌ์ž์กฐํ•ฉ์˜ ์ž์‚ฐ ์šด์šฉ์˜ ๊ฑด์ „์„ฑ์„ ํ•ด์น  ์šฐ๋ ค๊ฐ€ ์—†๋Š” ๊ฒฝ์šฐ๋กœ์„œ ๋Œ€ํ†ต๋ น๋ น์œผ๋กœ ์ •ํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” ๊ทธ๋Ÿฌํ•˜์ง€ ์•„๋‹ˆํ•˜๋‹ค.
2. ์ž๊ธˆ์ฐจ์ž…, ์ง€๊ธ‰๋ณด์ฆ ๋˜๋Š” ๋‹ด๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ํ–‰์œ„
(๊ด€๋ จ ์กฐํ•ญ์—†์Œ) ์ œ249์กฐ์˜12(๊ธฐ๊ด€์ „์šฉ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ ์ง‘ํ•ฉํˆฌ์ž์žฌ์‚ฐ์˜ ์šด์šฉ๋ฐฉ๋ฒ•) ① ๊ธฐ๊ด€์ „์šฉ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ์ง‘ํ•ฉํˆฌ์ž์žฌ์‚ฐ ์šด์šฉ์— ๊ด€ํ•˜์—ฌ๋Š” ์ œ249์กฐ์˜7(์ œ3ํ•ญ ๋ฐ ์ œ6ํ•ญ์€ ์ œ์™ธํ•œ๋‹ค)์„ ์ค€์šฉํ•œ๋‹ค.

์ œ249์กฐ์˜7(์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ์ง‘ํ•ฉํˆฌ์ž์žฌ์‚ฐ ์šด์šฉ๋ฐฉ๋ฒ• ๋“ฑ) ① ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž์—…์ž๊ฐ€ ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ์ง‘ํ•ฉํˆฌ์ž์žฌ์‚ฐ(์ œ249์กฐ์˜13์— ๋”ฐ๋ฅธ ํˆฌ์ž๋ชฉ์ ํšŒ์‚ฌ์˜ ์žฌ์‚ฐ์„ ํฌํ•จํ•œ๋‹ค. ์ดํ•˜ ์ด ์กฐ์—์„œ ๊ฐ™๋‹ค)์„ ์šด์šฉํ•˜๋Š” ๊ฒฝ์šฐ ๋‹ค์Œ ๊ฐ ํ˜ธ์˜ ๊ธˆ์•ก์„ ํ•ฉ์‚ฐํ•œ ๊ธˆ์•ก์ด ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ์ž์‚ฐ์ด์•ก์—์„œ ๋ถ€์ฑ„์ด์•ก์„ ๋บ€ ๊ฐ€์•ก์˜ 100๋ถ„์˜ 400 ์ด๋‚ด์—์„œ ๋Œ€ํ†ต๋ น๋ น์œผ๋กœ ์ •ํ•˜๋Š” ๋น„์œจ์„ ์ดˆ๊ณผํ•ด์„œ๋Š” ์•„๋‹ˆ ๋œ๋‹ค. ๋‹ค๋งŒ, ํˆฌ์ž์ž ๋ณดํ˜ธ ๋ฐ ์ง‘ํ•ฉํˆฌ์ž์žฌ์‚ฐ์˜ ์•ˆ์ •์  ์šด์šฉ์„ ํ•ด์น  ์šฐ๋ ค๊ฐ€ ์—†๋Š” ๊ฒฝ์šฐ๋กœ์„œ ๋Œ€ํ†ต๋ น๋ น์œผ๋กœ ์ •ํ•˜๋Š” ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ๊ฒฝ์šฐ์—๋Š” ์ œ1ํ˜ธใ†์ œ2ํ˜ธ ๋ฐ ์ œ4ํ˜ธ๋ฅผ ํ•ฉ์‚ฐํ•œ ๊ธˆ์•ก ๋˜๋Š” ์ œ3ํ˜ธ์˜ ๊ธˆ์•ก์ด ๊ฐ๊ฐ ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ์ž์‚ฐ์ด์•ก์—์„œ ๋ถ€์ฑ„์ด์•ก์„ ๋บ€ ๊ฐ€์•ก์˜ 100๋ถ„์˜ 400 ์ด๋‚ด์—์„œ ๋Œ€ํ†ต๋ น๋ น์œผ๋กœ ์ •ํ•˜๋Š” ๋น„์œจ์„ ์ดˆ๊ณผํ•ด์„œ๋Š” ์•„๋‹ˆ ๋œ๋‹ค.
3. ์ผ๋ฐ˜ ์‚ฌ๋ชจ์ง‘ํ•ฉํˆฌ์ž๊ธฐ๊ตฌ์˜ ๊ณ„์‚ฐ์œผ๋กœ ๊ธˆ์ „์„ ์ฐจ์ž…ํ•˜๋Š” ๊ฒฝ์šฐ ๊ทธ ์ฐจ์ž…๊ธˆ์˜ ์ด์•ก

July 28, 2024

Life, Lao Tzu

Life, Lao Tzu


“Life is a series of natural and spontaneous changes. Don’t resist them—that only creates sorrow. Let reality be reality. Let things flow naturally forward however they like.”

- Lao Tzu


This quote from the ancient Chinese philosopher teaches us to embrace change and go with the flow of life, which is a key to inner peace.


์ธ์ƒ์€ ์ž์—ฐ์Šค๋Ÿฝ๊ณ  ์ž๋ฐœ์ ์ธ ๋ณ€ํ™”์˜ ์—ฐ์†์ด๋‹ค. ๋ณ€ํ™”์— ์ €ํ•ญํ•˜์ง€ ๋งˆ๋ผ. ๊ทธ๋Ÿฌ๋ฉด ์Šฌํ””๋งŒ ์ปค์ง„๋‹ค. ํ˜„์‹ค์€ ํ˜„์‹ค๋กœ ๋ฐ›์•„๋“ค์—ฌ๋ผ. ๋ชจ๋“  ๊ฑด ์›ํ•˜๋Š” ๋Œ€๋กœ ์ž์—ฐ์Šค๋Ÿฝ๊ฒŒ ํ˜๋Ÿฌ๊ฐ€๋„๋ก ๋‚ด๋ฒ„๋ ค ๋‘์–ด์•ผ ํ•œ๋‹ค.

์ž


์ค‘๊ตญ ์ฒ ํ•™์ž์˜ ์ด ๋ง์€ ๋ณ€ํ™”๋ฅผ ๋ฐ›์•„๋“ค์ด๊ณ  ์‚ถ์˜ ํ๋ฆ„์— ์ˆœ์‘ํ•˜๋Š” ๊ฒƒ์ด ๋‚ด๋ฉด์˜ ํ‰ํ™”๋ฅผ ์œ„ํ•œ ์—ด์‡ ๋ผ๋Š” ๊ตํ›ˆ์„ ์ค๋‹ˆ๋‹ค.


fe, Lao Tzu, Quotes, Quotations



July 26, 2024

Arts in 1799

Arts in 1799


Francis Wheatley (1747-1801), Morning, 1799, oil on canvas, h 44.5 x w 54.6 cm, Yale Center for British Art, New Haven, Connecticut

Francis Wheatley (1747-1801), Morning, 1799, oil on canvas, h 44.5 x w 54.6 cm, Yale Center for British Art, New Haven, Connecticut


Francis Wheatley

Francis Wheatley


Francis Wheatley (1747-1801), Morning, 1799, oil on canvas, h 44.5 x w 54.6 cm, Yale Center for British Art, New Haven, Connecticut

Francis Wheatley (1747-1801), Morning, 1799, oil on canvas, h 44.5 x w 54.6 cm, Yale Center for British Art, New Haven, Connecticut


July 25, 2024

William A. Fraser

William A. Fraser


William A. Fraser (c.1840-1925), A Wet Night, Columbus Circle, c.1897-c.1898, Gelatin silver print, h 50.8 x w 41.91 cm, The Nelson-Atkins Museum of Art, Kansas City, Missouri, United States

July 16, 2024

Rhรดne in Arts

 Rhรดne in Arts



Vincent van Gogh (1853-1890), Starry Night Over the Rhone, Sep 1888, oil on canvas, h 72 x w 92 cm, Musรฉe d'Orsay, Paris, France

Vincent van Gogh (1853-1890), Starry Night Over the Rhone, Sep 1888, oil on canvas, h 72 x w 92 cm, Musรฉe d'Orsay, Paris, France



Arts in 1888 (2)

 Arts in 1888 (2)


Vincent van Gogh (1853-1890), Starry Night Over the Rhone, Sep 1888, oil on canvas, h 72 x w 92 cm, Musรฉe d'Orsay, Paris, France

Vincent van Gogh (1853-1890), Starry Night Over the Rhone, Sep 1888, oil on canvas, h 72 x w 92 cm, Musรฉe d'Orsay, Paris, France



July 12, 2024

Mermaids in Arts

Mermaids in Arts


Edvard Eriksen, The Little Mermaid Statue, 2016, Han River Park, Seoul, Korea

Edvard Eriksen, The Little Mermaid Statue, 2016, Han River Park, Seoul, Korea

์ธ์–ด๊ณต์ฃผ ๋™์ƒ์€ ์ฝ”ํŽœํ•˜๊ฒ์‹œ์™€ ์„œ์šธ์‹œ๊ฐ€ 2014๋…„์— ์ฒด๊ฒฐํ•œ ์šฐํ˜ธ๋„์‹œ ํ˜‘์•ฝ์œผ๋กœ ์„ธ์›Œ์กŒ์Šต๋‹ˆ๋‹ค. ๋„์‹œ ๊ฐ„ ์šฐํ˜ธ ์ฐจ์›์—์„œ ์ธ์–ด๊ณต์ฃผ ๋™์ƒ์ด ๊ต๋ฅ˜๋œ ๊ฒƒ์€ ์ตœ์ดˆ์˜ ์ผ์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋™์ƒ์€ ์ฝ”ํŽœํ•˜๊ฒ์‹œ์˜ ์ธ์–ด๊ณต์ฃผ ๋™์ƒ ์›๋ณธ[1]์„ ๋งŒ๋“  ์—๋ฆญ์„ผ ์ง‘์•ˆ์—์„œ ์ œ์ž‘ ๋˜์—ˆ์œผ๋ฉฐ, ์„œ์šธ์‹œ๋Š” ๊ด‘ํ™”๋ฌธ์„ ์†Œ์žฌ๋กœ ํ•œ ์กฐ๊ฐ์ž‘ํ’ˆ์„ ์ฝ”ํŽœํ•˜๊ฒ์— ๋ณด๋‚ธ ๋ฐ” ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๊ฐ™์€ ๊ต๋ฅ˜๋กœ ํ•œ๊ตญ๊ณผ ๋ด๋งˆํฌ ์‚ฌ์ด์˜ ์šฐ์ •์ด ๋‹ค์ ธ์งˆ ๊ฒƒ์„ ๊ธฐ๋Œ€ํ•˜๋ฉฐ ๋™์ƒ ์ œ์ž‘๊ณผ ์„ค์น˜์— ๋„์›€์„ ์ฃผ์‹  ๋งŽ์€ ๋ถ„๋“ค๊ป˜ ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค.

์„œ์šธํŠน๋ณ„์‹œ (2016.10.24)



[1] https://en.wikipedia.org/wiki/The_Little_Mermaid_(statue)


June 28, 2024

์ „์ง€(Battery) ๊ด€๋ จ ์šฉ์–ด

์ „์ง€(Battery) ๊ด€๋ จ ์šฉ์–ด


1์ฐจ์ „์ง€ (์ผ์ฐจ์ „์ง€)

ํ•œ๋ฒˆ ์‚ฌ์šฉํ•˜๋ฉด ๋‹ค์‹œ๋Š” ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋Š” ์ „์ง€

2์ฐจ์ „์ง€ (์ด์ฐจ์ „์ง€, Secondary Battery)

์ถฉ์ „๊ณผ ๋ฐฉ์ „์„ ๋ฐ˜๋ณตํ•˜๋ฉด์„œ ์žฌ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ „์ง€

์žฌ์‚ฌ์šฉ์˜ ์›๋ฆฌ๋Š” ์ „๊ธฐ์—๋„ˆ์ง€์™€ ํ™”ํ•™์—๋„ˆ์ง€์˜ ๋ณ€ํ™˜. ์™ธ๋ถ€์˜ ์ „๊ธฐ์—๋„ˆ์ง€๋ฅผ ํ™”ํ•™์—๋„ˆ์ง€๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ์ „์ง€ ๋‚ด๋ถ€์— ์ €์žฅ์„ ํ•˜๊ณ , ์ด๋ฅผ ์žฌ์‚ฌ์šฉํ•  ์‹œ ํ™”ํ•™์—๋„ˆ์ง€๋ฅผ ์ „๊ธฐ์—๋„ˆ์ง€๋กœ ์‚ฌ์šฉ.

2์ฐจ์ „์ง€๋Š” ์†Œ์žฌ ์ค‘์‹ฌ์œผ๋กœ ๋ฐœ์ „ํ•ด ์™”์œผ๋ฉฐ, ํฌ๊ฒŒ ๋‚ฉ์ถ•์ „์ง€, ๋‹ˆ์ผˆ๊ณ„์—ด์ „์ง€, ๋ฆฌํˆผ๊ณ„์—ด์ „์ง€ ๋“ฑ์ด ์žˆ์Œ.

๊ธˆ์†๊ณต๊ธฐ์ „์ง€

์Œ๊ทน์— ์ฒ , ์•„์—ฐ, ๋งˆ๊ทธ๋„ค์Š˜, ์•Œ๋ฃจ๋ฏธ๋Š„ ๋“ฑ์˜ ๊ธˆ์†์„ ์‚ฌ์šฉํ•˜๊ณ , ์–‘๊ทน์—๋Š” ์—ฐ๋ฃŒ์ „์ง€์˜ ์—ฐ๊ตฌ์— ์˜ํ•˜์—ฌ ๊ฐœ๋ฐœ๋œ ์‚ฐ์†Œ๊ทน๊ณผ ๊ฐ™์€ ๊ณต๊ธฐ๊ทน์„ ์‚ฌ์šฉํ•œ ์ „์ง€.์–‘๊ทน์œผ๋กœ ๊ณต๊ธฐ ์ค‘์˜ ์‚ฐ์†Œ๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ „์ง€์˜ ์ค‘๋Ÿ‰์„ ๊ฐ€๋ณ๊ฒŒ ํ•  ์ˆ˜ ์žˆ์Œ. ๊ณ  ์—๋„ˆ์ง€ ๋ฐ€๋„์˜ ์•„์—ฐ๊ณต๊ธฐ์ „์ง€๋ฅผ ๊ฐœ๋ฐœํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ๋ฆฌํŠฌ๊ณต๊ธฐ์ด์ฐจ์ „์ง€์— ๋Œ€ํ•œ ๊ธฐ์ˆ  ๊ฐœ๋ฐœ๋„ ์ถ”์ง„ ์ค‘

๋‚˜ํŠธ๋ฅจ์ด์˜จ์ „์ง€ (Na-ion battery)

๋ฆฌํŠฌ๊ธˆ์†์˜ ๋งค์žฅ๋Ÿ‰ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์–‘์ด ํ’๋ถ€ํ•˜๊ณ  ๊ฐ€๊ฒฉ์ด ์ €๋ ดํ•œ ๋‚˜ํŠธ๋ฅจ์ด์˜จ์„ ์ด์šฉํ•œ ์ด์ฐจ์ „์ง€

๋‚˜ํŠธ๋ฅจ ํ™ฉ์ „์ง€ (NaS)

์–‘๊ทน์œผ๋กœ ํ™ฉ(Sulfur)์„, ์Œ๊ทน์œผ๋กœ ๋‚˜ํŠธ๋ฅจ์„ ์‚ฌ์šฉํ•˜๋Š” ์ด์ฐจ์ „์ง€

๋‚ฉ์ถ•์ „์ง€ (lead-acid accumulator)

์„ธ๊ณ„ ์ตœ์ดˆ๋กœ ๋ฐœ๋ช…๋œ ์ด์ฐจ ์ „์ง€.

์žฅ์  : ๊ฐ€๊ฒฉ์ด ์ €๋ ดํ•˜๋ฉฐ, ๋น„์šฉ ๋Œ€๋น„ ์—๋„ˆ์ง€ ์ €์žฅ๋Ÿ‰ ์šฐ์ˆ˜.

๋‹จ์  : ์ธ์ฒด์™€ ํ™˜๊ฒฝ์— ํ•ด๋กœ์šฐ๋ฉฐ, ๋ฌด๊ฒŒ๊ฐ€ ๋ฌด๊ฒ๊ณ , ์ถฉ์ „ ์†๋„๊ฐ€ ๋А๋ฆฌ๊ณ , ์ถฉ๋ฐฉ์ „ ํšจ์œจ์ด ๋‚ฎ์Œ. ์ „ํ•ด์•ก์ด ์ƒ ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ๊ธฐ์šธ์—ฌ ์„ค์น˜ํ•  ์ˆ˜ ์—†์Œ.

์œ„ํ—˜ : ํฐ ์ถฉ๊ฒฉ์„ ๋ฐ›์•„ ์ผ€์ด์Šค๊ฐ€ ํŒŒ์†๋ผ๋„ ์ „ํ•ด์•ก๋งŒ ํ˜๋Ÿฌ๋‚˜๊ฐˆ ๋ฟ ํ„ฐ์ง€๊ฑฐ๋‚˜ ์‡ผํŠธ์— ์˜ํ•œ ํ™”์žฌ๊ฐ€ ๋ฐœ์ƒํ•˜์ง€ ์•Š์•„ ์•ˆ์ •์ . ๋‹จ์ž ์—ฐ๊ฒฐ์„ ์ž˜๋ชปํ•˜๊ฑฐ๋‚˜ ๊ณผ๋„ํ•œ ์ถฉ์ „์„ ํ•  ๊ฒฝ์šฐ์—” ์ˆ˜์†Œ ๊ฐ€์Šค๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉฐ, ์ด๊ฒƒ์ด ๋‚ด์™ธ๋ถ€์  ๊ณผ์—ด์ด๋‚˜ ์ŠคํŒŒํฌ, ํ˜น์€ ํ™”๊ธฐ์— ์˜ํ•ด ์ ํ™”๋˜๋ฉด ํญ๋ฐœ ๋ฐ ํ™”์žฌ์˜ ์œ„ํ—˜์ด ์žˆ์Œ.

๋‹ˆ์ผˆ์ˆ˜์†Œ ์ „์ง€ (Ni-MH, Nickel-Metal Hydride)

์žฅ์  : ์ผํšŒ์šฉํ’ˆ์ธ ์•Œ์นด๋ผ์ธ ๊ฑด์ „์ง€์— ๋น„ํ•ด ๊ฒฝ์ œ์ ์ด๋ฉฐ ์นœํ™˜๊ฒฝ์ .

์นด์„ธํŠธํ…Œ์ดํ”„ ํ”Œ๋ ˆ์ด์–ด์™€ ํœด๋Œ€์šฉ CD ํ”Œ๋ ˆ์ด์–ด ๋“ฑ์— ์‚ฌ์šฉ๋จ. RC ์ž๋™์ฐจ๋‚˜ ์ „๋™ ์—์–ด์†Œํ”„ํŠธ๊ฑด ๋“ฑ ์ทจ๋ฏธ์šฉํ’ˆ์— ์‚ฌ์šฉ.

๋‹ˆ์ผˆ์นด๋“œ๋ฎด ์ „์ง€ (Ni-Cd, ๋‹ˆํ‚ค๋“œ)

๋‚ฉ์ถ•์ „์ง€์— ์ด์–ด ๋‘๋ฒˆ์งธ๋กœ ๋ฐœ๋ช…๋œ ์ด์ฐจ์ „์ง€.

์žฅ์  : ๋†’์€ ์•ˆ์ •์„ฑ, ๋†’์€ ๋ฐฉ์ „๋ฅ . ํ˜นํ•œ์—์„œ๋„ ์šฉ๋Ÿ‰ ์œ ์ง€ ๋ฐ ๊ณ ์œจ๋ฐฉ์ „ ๊ฐ€๋Šฅ.

๋‹จ์  : ์ €์šฉ๋Ÿ‰. ์ค‘๊ธˆ์†์— ์˜ํ•œ ํ™˜๊ฒฝ๋ฌธ์ œ.

์›Œํฌ๋งจ ๋“ฑ์˜ ์˜ค๋ž˜๋œ ๊ฐ€์ „ ์ œํ’ˆ์—์„œ ์‚ฌ์šฉ๋จ. ํ•œ๋ฒˆ ์ถฉ์ „ํ•ด ๋†“๊ณ  ์˜ค๋žœ ์‹œ๊ฐ„ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋‹ค๊ฐ€ ์ •์ „ ์‹œ ๋น„์ƒ์œ ๋„๋“ฑ์— ๋ถˆ์„ ์ผœ๋Š” ์šฉ๋„๋กœ ์ตœ์ .

๋ ˆ๋…์Šค ํ”Œ๋กœ์šฐ ๋ฐฐํ„ฐ๋ฆฌ (RFB)

๊ธฐ์กด 2์ฐจ์ „์ง€์™€ ๋‹ฌ๋ฆฌ ์ „ํ•ด์•ก ๋‚ด์˜ ํ™œ๋ฌผ์งˆ์ด ์‚ฐํ™”-ํ™˜์›๋˜์–ด ์ถฉ๋ฐฉ์ „๋˜๋Š” ์‹œ์Šคํ…œ์œผ๋กœ ์ „๊ธฐ์—๋„ˆ์ง€๋ฅผ ์ „ํ•ด์•ก์˜ ํ™”ํ•™์  ์—๋„ˆ์ง€๋กœ ์ €์žฅ์‹œํ‚ค๋Š” ์ „๊ธฐํ™”ํ•™์  ์ถ•์ „์žฅ์น˜. ํ™œ๋ฌผ์งˆ๋กœ ๋ ˆ๋…์Šค์Œ์„ ์ด์šฉ

๋ฆฌํŠฌ๋ฉ”ํƒˆ๋ฐฐํ„ฐ๋ฆฌ

๋ฆฌํŠฌ์ด์˜จ์ „์ง€ ๋ณด๋‹ค ์œ„ํ—˜.

๋ฆฌํŠฌ์ด์˜จ์ „์ง€ (Li-ion, LiB)

์œ ๊ธฐ์•ก์ฒด์ „ํ•ด์งˆ์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฆฌํŠฌ์ด์ฐจ์ „์ง€. ๋ฆฌํŠฌ์ด์˜จ์ „์ง€์— ๋“ค์–ด๊ฐ€๋Š” ๋ฆฌํŠฌ์€ ๊ธˆ์†์ด ์•„๋‹Œ ์ด์˜จ ์ƒํƒœ. ์–‘๊ทน๊ณผ ์Œ๊ทน ์‚ฌ์ด์˜ ๊ฐ„๊ฒฉ์„ ์ผ์ •ํ•˜๊ฒŒ ์œ ์ง€ํ•˜๊ธฐ ์œ„ํ•œ ๊ตฌ์„ฑ๊ณผ ํ•จ๊ป˜ ์•ก์ฒด์ „ํ•ด์งˆ์ด ์ƒˆ๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด ๊ธˆ์† ์žฌ์งˆ๋กœ ํŒจํ‚ค์ง•.

์žฅ์  : Ni-Cd(๋‹ˆ์ผˆ์นด๋“œ๋ฎด)๋‚˜ Ni-MH(๋‹ˆ์ผˆ ์ˆ˜์†Œ) ์ „์ง€๋ณด๋‹ค ์ „์••๊ณผ ์šฉ๋Ÿ‰์ด ํผ.

๋‹จ์  : ๊ณผ๋ฐฉ์ „์ด ๋˜๋ฉด ๋‚ด๋ถ€์ ์œผ๋กœ ๋น„๊ฐ€์—ญ์ ์ธ ์†์ƒ์ด ์ผ์–ด๋‚˜ ์šฉ๋Ÿ‰์ด ํฌ๊ฒŒ ๊ฐ์†Œ. ํญ๋ฐœ ์œ„ํ—˜. ๊ณผ์ถฉ์ „์‹œ ๋ถˆ์•ˆ์ •์„ฑ ๋†’์•„์ง. ์™ธ๋ถ€์ถฉ๊ฒฉ๊ณผ ๊ณผ์—ด ๋“ฑ์œผ๋กœ ์ธํ•œ ํญ๋ฐœ ๋ฐ ํ™”์žฌ ์œ„ํ—˜.

์Šค๋งˆํŠธํฐ์„ ๋น„๋กฏํ•œ ๊ฐ์ข… ๊ฐ€์ „์ œํ’ˆ๊ณผ ์ „๊ธฐ์ž๋™์ฐจ ๋“ฑ์— ์‚ฌ์šฉ.

๋ฆฌํŠฌ์ด์ฐจ์ „์ง€

์ „์ง€ ์†์—์„œ ์ด๋™ํ•˜๋Š” ์ด์˜จ์ด ๋ฆฌํŠฌ ์–‘์ด์˜จ์ธ ๋ฐฐํ„ฐ๋ฆฌ. ๋ฆฌํŠฌ์ด์˜จ์ „์ง€, ๋ฆฌํŠฌ๊ณ ๋ถ„์ž์ „์ง€ ๋“ฑ ๋ฆฌํŠฌ ์–‘์ด์˜จ์˜ ์ด๋™ ํ˜„์ƒ์„ ์ด์šฉํ•˜๋Š” ์ „์ง€์˜ ํ†ต์นญ

๋ฆฌํŠฌ์ธ์‚ฐ์ฒ ์ „์ง€ (LFP ๋ฐฐํ„ฐ๋ฆฌ)

๋ฆฌํŠฌ์ด์˜จ ๋ฐฐํ„ฐ๋ฆฌ์˜ ์ผ์ข…์œผ๋กœ ๊ธฐ์กด์˜ Li-Co, Li-Mn๊ณ„ ๋ฐฐํ„ฐ๋ฆฌ๊ฐ€ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ๊ฒฐํ•จ์ธ ๋ฐœํ™”์„ฑ ๋ฐ ํญ๋ฐœ์„ฑ์˜ ์œ„ํ—˜์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์–‘๊ทน์— ๋ฆฌํŠฌ์ธ์‚ฐ์ฒ (LiFePO ₄)์„ ์ ์šฉํ•œ ์ „์ง€. LFP ๋ฐฐํ„ฐ๋ฆฌ๋ผ๊ณ ๋„ ํ•จ.

์žฅ์  : - ์žฅ์  : ์•ˆ์ •์„ฑ ํƒ์›”. ์ž๊ฐ€ ๋ฐฉ์ „์œจ๊ณผ ์—๋„ˆ์ง€ ์†์‹ค๋ฅ  ๋‚ฎ์Œ. ๊ฐ€๊ฒฉ ๊ฒฝ์Ÿ๋ ฅ ๋ณด์œ . ๊ฐ€๋ฒผ์šด ๋ฌด๊ฒŒ. ๊ธด ์ˆ˜๋ช…. ๋‚ฉ์‚ฐ๋ฐฐํ„ฐ๋ฆฌ ๋ณด๋‹ค ๋†’์€ ์—๋„ˆ์ง€ ๋ฐ€๋„. ๋‚ฎ์€ ์ž๊ฐ€๋ฐฉ์ „์œจ. ์•ˆ์ •์  ์ž‘๋™์ „์••. ์นœํ™˜๊ฒฝ.

๋‹จ์  : ๋ฆฌํŠฌ์ด์˜จ์ด๋‚˜ ๋ฆฌํŠฌํด๋ฆฌ๋จธ ์ „์ง€๋ณด๋‹ค ๋‚ฎ์€ ์—๋„ˆ์ง€๋ฐ€๋„.

์œ„ํ—˜ : ์•ˆ์ •์ ์ด๋ผ๊ณ  ์•Œ๋ ค์ ธ ์™”์œผ๋‚˜, ๊ณ ์†์ถฉ์ „ ์‹œ ๊ณ ์ „๋ฅ˜๊ฐ€ ์œ ์ž…๋˜๋ฉด ๋‹ค๋ฅธ ๋ฆฌํŠฌ์ฝ”๋ฐœํŠธ, ๋ฆฌํŠฌ๋ง๊ฐ„ ๋ฐฐํ„ฐ๋ฆฌ์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ๋ฐฐํ„ฐ๋ฆฌ ํ‘œ๋ฉด์˜จ๋„๊ฐ€ 100℃ ์ด์ƒ์œผ๋กœ ์ƒ์Šนํ•˜๋ฉด์„œ ์—ดํญ์ฃผ๊ฐ€ ์ผ์–ด๋‚˜๋ฉฐ, ์ด๋กœ ์ธํ•ด ํ™”์žฌ๋กœ ์ด์–ด์ง„๋‹ค๋Š” ํ•œ๊ตญํ™”์žฌ๋ณดํ—˜ํ˜‘ํšŒ์™€ ๊ฐ€์ฒœ๋Œ€ํ•™๊ต์˜ ๊ณต๋™์—ฐ๊ตฌ ๊ฒฐ๊ณผ ๋ฐœํ‘œ. ์—ดํญ์ฃผ ์œ„ํ—˜ ์™ธ์— ๋ฐฐ์ถœ๊ฐ€์Šค๋กœ ์ธํ•œ ํญ๋ฐœ ๋ฐ ๋…์„ฑ ์œ„ํ—˜ ๋“ฑ์„ ์ข…ํ•ฉ์ ์œผ๋กœ ๊ฐ์•ˆํ•  ๊ฒฝ์šฐ LFP๊ฐ€ ์•ˆ์ „ํ•˜๋‹ค๊ณ  ๋‹จ์ •์ง“๊ธฐ ์–ด๋ ค์›€.

์ „๊ธฐ์ž๋™์ฐจ์šฉ ๋ฐฐํ„ฐ๋ฆฌ, ์ „๋™๊ณต๊ตฌ, RC, ๊ณจํ”„์นด, ์บ ํ•‘์นด, ์ „๋™์˜คํ† ๋ฐ”์ด, ์‚ฐ์—…์šฉ๊ธฐ๊ธฐ, ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ž๋™์ฐจ ๋“ฑ์— ์‚ฌ์šฉ.

CATL, BYD์™€ ๊ฐ™์€ ์ค‘๊ตญ ์—…์ฒด๊ฐ€ ์ฃผ๋„. ํ…Œ์Šฌ๋ผ ๋ชจ๋ธ3์— ๋ฆฌํŠฌ์ธ์‚ฐ์ฒ  ๋ฐฐํ„ฐ๋ฆฌ ์ฑ„์šฉ.

๋ฆฌํŠฌ์ผ์ฐจ์ „์ง€

๊ธˆ์†์ƒํƒœ์˜ ๋ฆฌํŠฌ ์‚ฌ์šฉ. ๊ธˆ์† ํ™”์žฌ ๋ฐœ์ƒ ๊ฐ€๋Šฅ์„ฑ ๋‚ฎ์Œ.

๋ฆฌํŠฌํด๋ฆฌ๋จธ์ „์ง€

์ ค(gel) ํ˜•ํƒœ์˜ ํด๋ฆฌ๋จธ ์ „ํ•ด์งˆ์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฆฌํŠฌ์ด์ฐจ์ „์ง€. ์–‘๊ทน-์ „ํ•ด์งˆ-์Œ๊ทน์„ ์ผ์ฒดํ™” ํ•  ์ˆ˜ ์žˆ์–ด์„œ ํŒŒ์šฐ์น˜ ๋“ฑ์˜ ๊ฒฝ๋Ÿ‰ ์žฌ๋ฃŒ๋กœ ์ตœ์ข… ํŒจํ‚ค์ง•. ์•ก์ฒด์ „ํ•ด์งˆ์„ ์‚ฌ์šฉํ•˜๋Š” ์ „์ง€๋ณด๋‹ค ์•ˆ์ •

๋ฌผ๋ฆฌ์ „์ง€

์—ด, ๋น›, ๋ฐฉ์‚ฌ์„ ๊ณผ ๊ฐ™์€ ๋ฌผ๋ฆฌ์  ์—๋„ˆ์ง€๋กœ๋ถ€ํ„ฐ ์ „๊ธฐ๋ฅผ ์ƒ์‚ฐ

๋ฐ”๋‚˜๋“ ๋ ˆ๋…์Šค ํ”Œ๋กœ์šฐ๋ฐฐํ„ฐ๋ฆฌ (VRFB)

๋ ˆ๋…์Šค ํ”Œ๋กœ์šฐ๋ฐฐํ„ฐ๋ฆฌ์˜ ์ผ์ข…. ์–‘๊ทน๊ณผ ์Œ๊ทน ๋ชจ๋‘ ํ™œ๋ฌผ์งˆ๋กœ ๋ฐ”๋‚˜๋“์„ ์ด์šฉ.

๋ถ€ํ”ผ๊ฐ€ ํฌ์ง€๋งŒ ํ™”์žฌ ์œ„ํ—˜์„ฑ์ด ์ ๊ณ  ๊ฒฝ์ œ์ ์ด๋ฉฐ ์ˆ˜๋ช…์ด ๊ธธ๋‹ค๋Š” ์žฅ์ .

ESS ๋ฐ ์Šค๋งˆํŠธ๊ทธ๋ฆฌ๋“œ๋ฅผ ์œ„ํ•œ ๋Œ€์šฉ๋Ÿ‰ 2์ฐจ์ „์ง€๋กœ ์ฃผ๋ชฉ์„ ๋ฐ›๊ณ  ์žˆ์Œ.

OCI์™€ ๋กฏ๋ฐ ๋“ฑ์˜ ๊ธฐ์—…์ด ๊ฐ€๋Šฅ์„ฑ์„ ๋ณด๊ณ  ๋›ฐ์–ด๋“ค์—ˆ์œผ๋‚˜ ๊ธฐ์ˆ  ๋ฐ ์‚ฌ์—…ํ™” ๋ฌธ์ œ๋กœ ์ฒ ์ˆ˜ํ•ด ํ˜„์žฌ๋Š” ์—์ด์น˜ํˆฌ๊ฐ€ ์‚ฌ์‹ค์ƒ ๊ตญ๋‚ด ์œ ์ผ ๊ธฐ์—…


์—๋„ˆ์ง€์ €์žฅ์žฅ์น˜ (Energy Storage System, ESS)

์ „๊ธฐ์—๋„ˆ์ง€๋ฅผ ์ €์žฅํ•œ ํ›„ ํ•„์š”ํ•  ๋•Œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ €์žฅ ์žฅ์น˜ ๋˜๋Š” ์‹œ์Šคํ…œ.

์—๋„ˆ์ง€๋ฅผ ์ €์žฅํ•˜๋Š” ๋ฐฉ์‹๊ณผ ์ƒ์‚ฐ๋˜๋Š” ์—๋„ˆ์ง€๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๋ฌผ๋ฆฌ์  ์ €์žฅ, ํ™”ํ•™์  ์ €์žฅ, ์—ด์ €์žฅ์œผ๋กœ ๋ถ„๋ฅ˜.

์—ฐ๋ฃŒ์ „์ง€

์—ฐ๋ฃŒ์˜ ์‚ฐํ™”๋ฐ˜์‘์œผ๋กœ ์ „๊ธฐ ์ƒ์‚ฐ์ด ๊ฐ€๋Šฅ

์—ด์ „์†Œ์ž

์—ด ์—๋„ˆ์ง€๋ฅผ ์ง์ ‘ ์ „๊ธฐ์—๋„ˆ์ง€๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ์žฅ์น˜

์›์ž๋ ฅ์ „์ง€

์›์ž๋ ฅ ์—๋„ˆ์ง€๋ฅผ ์ „๊ธฐ์—๋„ˆ์ง€๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ์žฅ์น˜

์žฅ์ฃผ๊ธฐ ์—๋„ˆ์ง€์ €์žฅ์žฅ์น˜ (Long Duration Energy Storage System, LDES)

์žฅ์‹œ๊ฐ„ ์˜ค๋ž˜ ์ถฉ์ „ํ•˜๊ณ  ๋ฐฉ์ „ํ•˜๋Š” ๋ฐฉ์‹์˜ ์—๋„ˆ์ง€์ €์žฅ์žฅ์น˜

์ €์žฅ๋งค์ฒด์™€ ๊ธฐ์ˆ ์— ๋”ฐ๋ผ ์••์ถ•๊ณต๊ธฐ์—๋„ˆ์ง€์ €์žฅ(CAES), ์•กํ™”๊ณต๊ธฐ์—๋„ˆ์ง€์ €์žฅ(LAES), ์ค‘๋ ฅ์—๋„ˆ์ง€์ €์žฅ(GES), ์—ด์—๋„ˆ์ง€์ €์žฅ(TES), ๋ฐ”๋‚˜๋“ํ”Œ๋กœ์šฐ๋ฐฐํ„ฐ๋ฆฌ(VFB), ๋ฐ”๋‚˜๋“์ด์˜จ๋ฐฐํ„ฐ๋ฆฌ(VIB) ๋“ฑ์œผ๋กœ ๋‚˜๋‰จ.

์ „๊ณ ์ฒด๋ฆฌํŠฌ์ด์ฐจ์ „์ง€

๊ณ ์ฒด์ „ํ•ด์งˆ์„ ๊ฐœ๋ฐœํ•ด ์ ์šฉํ•œ ๋ฆฌํŠฌ์ด์ฐจ์ „์ง€๋กœ, ๋ถˆ์ด ๋‚˜๊ฑฐ๋‚˜ ํญ๋ฐœ ๊ฐ€๋Šฅ์„ฑ ๋‚ฎ์Œ.

ํƒœ์–‘์ „์ง€

ํƒœ์–‘์˜ ๋น› ์—๋„ˆ์ง€๋ฅผ ์ด์šฉํ•˜์—ฌ ์ „๊ธฐ๋ฅผ ๋งŒ๋“ค์–ด ๋‚ด๋Š” ์žฅ์น˜. ์ž‘๋™์›๋ฆฌ์— ๊ทผ๊ฑฐํ•˜์—ฌ ๊ด‘์ „์ง€(Photovoltaic cell)๋ผ๊ณ  ๋ถ€๋ฅด๊ธฐ๋„ ํ•จ.

ํ™”ํ•™์ „์ง€

ํ™”ํ•™๋ฐ˜์‘์œผ๋กœ๋ถ€ํ„ฐ ์ „๊ธฐ๋ฅผ ์ƒ์‚ฐ

ํ™•์žฅํ˜• ๋ ˆ๋…์Šค ๋ฐฐํ„ฐ๋ฆฌ (eXpandable Redox Battery, XBR)

๊ธฐ์กด ๋ฆฌํŠฌ์ „์ง€์— ํ”Œ๋กœ์šฐ ๋ฐฐํ„ฐ๋ฆฌ์˜ ์žฅ์ ์„ ๊ฒฐํ•ฉํ•œ ๋ฐฐํ„ฐ๋ฆฌ

์Šคํƒ์„ ๊ตฌ์„ฑํ•˜๋Š” ๊ฐ ๋‹จ์ผ์ „์ง€์˜ ์Œ๊ทน๊ณผ ์–‘๊ทน์ด ๊ฐ๊ฐ ๋ณต์ˆ˜ ํ™•์žฅ๋  ์ˆ˜ ์žˆ๋„๋ก ์„ค๊ณ„๋จ. ์ „์น˜ํ™œ์šฉ ์šฉ๋„์— ๋”ฐ๋ผ ๋ฆฌํŠฌ๋ฐฐํ„ฐ๋ฆฌ์ฒ˜๋Ÿผ ์Šคํƒ๋งŒ์œผ๋กœ ์ „์ง€ ์šด์ „์„ ํ•˜๊ฑฐ๋‚˜ ์™ธ๋ถ€ ์ „ํ•ด์งˆ ํƒฑํฌ๋ฅผ ํ†ตํ•œ ๊ณ ์ถœ๋ ฅ ๊ณ ํšจ์œจ์˜ ์žฅ์ฃผ๊ธฐ ESS์šฉ์œผ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Œ.



์ฐธ๊ณ ์ž๋ฃŒ


https://www.e2news.com/news/articleView.html?idxno=308779

https://www.e2news.com/news/articleView.html?idxno=308497

https://namu.wiki/w/%EC%9D%B4%EC%B0%A8%20%EC%A0%84%EC%A7%80

https://blog.naver.com/with_msip/223405310937

https://post.naver.com/viewer/postView.naver?volumeNo=38065993&memberNo=32914379&vType=VERTICAL

https://www.popsci.co.kr/news/articleView.html?idxno=21566

https://wiki1.kr/index.php/%EB%A6%AC%ED%8A%AC_%EC%9D%B8%EC%82%B0%EC%B2%A0_%EB%B0%B0%ED%84%B0%EB%A6%AC








June 21, 2024

Titania in Arts

Titania in Arts


Edwin Landseer (1802-1873), Scene from A Midsummer Night's Dream. Titania and Bottom, 1848-1851, oil on canvas, h 82 x w 133 cm, National Gallery of Victoria

Edwin Landseer (1802-1873), Scene from A Midsummer Night's Dream. Titania and Bottom, 1848-1851, oil on canvas, h 82 x w 133 cm, National Gallery of Victoria