JP2020531405A - 電極素材用活性炭の製造方法 - Google Patents
電極素材用活性炭の製造方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 336
- 239000007772 electrode material Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000012190 activator Substances 0.000 claims abstract description 74
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 14
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 14
- 239000003575 carbonaceous material Substances 0.000 claims description 53
- 238000005406 washing Methods 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 26
- 239000012153 distilled water Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 15
- 230000003213 activating effect Effects 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000010000 carbonizing Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000002441 X-ray diffraction Methods 0.000 claims description 6
- 239000000571 coke Substances 0.000 claims description 3
- 229910021469 graphitizable carbon Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 8
- 230000004913 activation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000003763 carbonization Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000011260 aqueous acid Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- -1 etc. Chemical compound 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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Abstract
Description
Claims (18)
- アルカリ金属の含量が50ppm以下である、
電極素材用活性炭。 - 前記活性炭は、電解透析器内で洗浄されたものである、請求項1に記載の電極素材用活性炭。
- 前記電解透析器で陰極の印加電圧は3V〜5Vであり、陽極の印加電圧は、前記陰極の印加電圧よりも1.1倍〜10倍さらに高い、請求項2に記載の電極素材用活性炭。
- 前記活性炭は、電解透析器内で20℃〜80℃及び10分〜24時間の間に洗浄される、請求項2に記載の電極素材用活性炭。
- 前記活性炭は、比表面積が300m2/g〜1500m2/gであり、
前記活性炭は、微細気孔の平均サイズが0.6nm〜1.3nmであり、
前記活性炭は、微細気孔の体積が0.05cm3/g〜0.8cm3/gである、請求項1に記載の電極素材用活性炭。 - 前記活性炭の電気伝導度は、3S/cm〜10S/cmである、請求項1に記載の電極素材用活性炭。
- 前記活性炭は、23°〜26°で最大X線回折(XRD)ピーク値を有する、請求項1に記載の電極素材用活性炭。
- 前記アルカリ金属は、Na、K及びNiのうち1種以上である、請求項1に記載の電極素材用活性炭。
- 炭素材料を準備するステップと、
前記炭素材料を炭化するステップと、
前記炭化された炭素材料を活性化剤と混合するステップと、
前記活性化剤と混合した炭化された炭素材料を活性化して活性炭を形成するステップと、
前記活性炭を洗浄するステップと、
を含み、
前記活性炭を洗浄するステップは、電解透析器を用いて前記活性炭を洗浄する、
電極素材用活性炭の製造方法。 - 前記活性炭を洗浄するステップは、
前記活性炭を蒸留水で洗浄するステップと、
前記洗浄された活性炭を電解透析器に投入して活性化剤を除去するステップと、
を含む、請求項9に記載の電極素材用活性炭の製造方法。 - 前記活性炭を洗浄するステップは、
前記活性炭を酸で洗浄するステップと、
前記酸で洗浄された活性炭を蒸留水で洗浄するステップと、
前記洗浄された活性炭を電解透析器に投入して活性化剤を除去するステップと、
を含む、請求項9に記載の電極素材用活性炭の製造方法。 - 前記活性化剤を除去するステップは、20℃〜80℃及び10分〜24時間の間に行う、請求項9に記載の電極素材用活性炭の製造方法。
- 前記電解透析器で陰極の印加電圧は3V〜5Vであり、陽極の印加電圧は、前記陰極の印加電圧よりも1.1倍〜10倍さらに高い、請求項9に記載の電極素材用活性炭の製造方法。
- 前記活性炭を洗浄するステップ後の前記洗浄された活性炭のpHは、6.5〜7.5であり、
前記活性炭を洗浄するステップ後の前記活性炭のうちアルカリ金属の濃度は、50ppm以下である、請求項9に記載の電極素材用活性炭の製造方法。 - 前記炭素材料は、ピッチ、コークス、等方性炭素、異方性炭素、易黒鉛化性炭素ン及び難黒鉛化性炭素からなる群より選択される1つ以上を含む、請求項9に記載の電極素材用活性炭の製造方法。
- 前記炭化された炭素材料を活性化剤と混合するステップにおいて、前記活性化剤はアルカリ水酸化物であり、
前記活性化剤は、前記炭素材料に対して1〜5の重量比で投入される、請求項9に記載の電極素材用活性炭の製造方法。 - 前記活性炭は、比表面積が300m2/g〜1500m2/gであり、
前記活性炭は、微細気孔の平均サイズが0.6nm〜1.3nmであり、
前記活性炭は、微細気孔の体積が0.05cm3/g〜0.8cm3/gである、請求項9に記載の電極素材用活性炭の製造方法。 - 前記活性炭は、23°〜26°で最大X線回折(XRD)ピーク値を有する、請求項9に記載の電極素材用活性炭の製造方法。
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KR10-2017-0103035 | 2017-08-14 | ||
KR1020170103035A KR101948020B1 (ko) | 2017-08-14 | 2017-08-14 | 전극소재용 활성탄의 제조방법 |
PCT/KR2018/009323 WO2019035633A1 (ko) | 2017-08-14 | 2018-08-14 | 전극소재용 활성탄의 제조방법 |
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- 2017-08-14 KR KR1020170103035A patent/KR101948020B1/ko active
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- 2018-08-14 JP JP2020530299A patent/JP2020531405A/ja active Pending
- 2018-08-14 US US16/636,922 patent/US20200165138A1/en not_active Abandoned
- 2018-08-14 WO PCT/KR2018/009323 patent/WO2019035633A1/ko active Application Filing
- 2018-08-14 TW TW107128304A patent/TWI691458B/zh active
- 2018-08-14 CN CN201880051047.7A patent/CN110997564A/zh active Pending
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US20200165138A1 (en) | 2020-05-28 |
KR101948020B1 (ko) | 2019-05-08 |
WO2019035633A1 (ko) | 2019-02-21 |
TWI691458B (zh) | 2020-04-21 |
CN110997564A (zh) | 2020-04-10 |
TW201919994A (zh) | 2019-06-01 |
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