Tunasambaza suluhisho kamili la utengenezaji wa vifaa vya anode vya grafiti, ikijumuisha kusagwa, kuunda umbo, na kusafisha…


GB / T 24533-2019 “lithium-ion battery graphite anode material” is reported under the jurisdiction of TC183 (National Technical Committee 183 on Steel of Standardization Administration of China), TC183SC15 (Subcommittee 15 on carbons of National Technical Committee 183 on Steel of Standardization Administration of China), and the competent department is China Iron and Steel Industry Association. The main drafting units are Shenzhen BTR New Energy Materials Co., Ltd., Guangdong Dongdao New Energy Co., Ltd., BTR (Jiangsu) New Material Technology Co., Ltd., Huizhou BTR New Material Technology Co., Ltd, BTR Ltd., Tianjin BTR New Energy Materials Co., Ltd., China Metallurgical Information and Standardization Institute.
Vifaa vya anodi ya grafiti kwa betri za lithium-ion vinatumia nyenzo ya kaboni ya grafiti yenye tabaka la kristali. Inafanya kazi kwa ushirikiano na nyenzo ya katodi ili kufikia malipo na kutoa tena betri ya lithium-ion. Wakati wa mchakato wa malipo, eletrodi hasi ya grafiti inakubali ion za lithiamu zilizowekwa, na wakati wa mchakato wa kutoa, inatoa ion za lithiamu. Uwezo wa nadharia wa vifaa vya anodi vya msingi wa grafiti ni 372 (mA • h) / g, rangi ya kijivu au kijivu cha chuma, ikiwa na mwangaza wa metali.
Vifaa vya anodi vya grafiti kwa betri za lithium ion vinagawanywa katika jamii tatu: grafiti asilia, grafiti ya bandia, na grafiti mchanganyiko. Kati yao, grafiti asilia inawakilishwa na NG (Grafiti Asilia); grafiti ya bandia inawakilishwa na AG (Grafiti ya Bandia); grafiti mchanganyiko ina angalau vipengele viwili vya grafiti asilia na grafiti ya bandia na inawakilishwa na CG (Grafiti Mchanganyiko). Grafiti ya bandia inaweza kugawanywa zaidi katika aina tatu zifuatazo:
(1) Grafiti ya bandia ya mpira wa kaboni, iliyowakilishwa kama CMB;
(2) Grafiti ya bandia ya needle coke, iliyowakilishwa na NAG;
(3) Grafiti ya bandia ya petroleum coke iliyowakilishwa na CPAG.
| Jedwali la 1 Daraja za vifaa vya anodi vya grafiti kwa betri za lithium ion | ||||||||||
| Daraja | Daraja | Malipo ya Kwanza Uwezo Maalum (mA • h) / g | Ufanisi wa Kwanza wa Coulomb% | Powder compacting densityg / cm3 | Daraja la Kugeuza kuwa Grafiti% | Yaliyomo ya Kaboni Imara% | Yaliyomo ya Aghalabu ya Kichocheo ppm | Yaliyomo ya Chuma ppm | Cheti cha RoHS | |
| NG | i | ≥360.0 | ≥95.0 | ≥1.65 | ≥96 | ≥99.97 | ≤0.1 | ≤10 | Rudisha | |
| n | ≥360.0 | ≥93.0 | ≥1.55 | ≥94 | ≥99.95 | ≤0.1 | ≤30 | Rudisha | ||
| m | ≥345.0 | ≥91.0 | ≥1.45 | ≥92 | ≥99.90 | ≤0.5 | ≤50 | Rudisha | ||
| AG | CMB | i | ≥350.0 | ≥95.0 | ≥1.50 | ≥94 | ≥99.97 | ≤0.1 | ≤20 | Rudisha |
| n | ≥340.0 | ≥94.0 | ≥1.40 | ≥90 | ≥99.95 | ≤0.5 | ≤50 | Rudisha | ||
| m | ≥340.1 | ≥90.0 | ≥1.20 | ≥90 | ≥99.70 | ≤1.5 | ≤100 | Rudisha | ||
| NAG | i | ≥340.2 | ≥94.0 | ≥1.25 | ≥94 | ≥99.97 | ≤0.1 | ≤20 | Rudisha | |
| n | ≥340.3 | ≥93.0 | ≥1.20 | ≥90 | ≥99.95 | ≤0.1 | ≤50 | Rudisha | ||
| m | ≥340.4 | ≥90.0 | ≥1.10 | ≥85 | ≥99.70 | ≤1.5 | ≤100 | Rudisha | ||
| CPAG | i | ≥340.5 | ≥95.0 | ≥1.40 | ≥94 | ≥99.97 | ≤0.1 | ≤20 | Rudisha | |
| n | ≥340.6 | ≥93.0 | ≥1.20 | ≥90 | ≥99.95 | ≤0.1 | ≤50 | Rudisha | ||
| m | ≥340.7 | ≥90.0 | ≥1.00 | ≥85 | ≥99.70 | ≤1.5 | ≤100 | Rudisha | ||
| CG | i | ≥340.8 | ≥94.0 | ≥1.60 | ≥94 | ≥99.97 | ≤0.1 | ≤20 | Rudisha | |
| n | ≥340.9 | ≥92.0 | ≥1.50 | ≥92 | ≥99.95 | ≤0.1 | ≤30 | Rudisha | ||
| m | ≥340.10 | ≥91.0 | ≥1.40 | ≥90 | ≥99.70 | ≤0.5 | ≤50 | Rudisha | ||
| Note1: The product must meet all the indicators of this grade of product, otherwise it will not be classified as this grade.Note2: RoHS is the certification which meets the content of Restricted substance. | ||||||||||
Nambari ya bidhaa inajumuisha nambari ya kundi, nambari ya daraja, D50, na uwezo maalum wa kutokwa wa kwanza kwa mpangilio, yaani, nambari ya kundi-nambari ya daraja-D50-uwezo maalum wa kutokwa wa kwanza. Angalia Jedwali la 2 kwa mifano maalum.
| Jedwali la 2: Nambari ya bidhaa na maelezo | |
| mfano | Maelezo |
| NG- I -18-360 | NG grafiti ya asili, daraja I ya vifaa vya grafiti anodi ya betri za ikoni za lithiamu, D50 = (18.0 ± 2.0) m m, uwezo maalum wa kutokwa wa kwanza ni 360 (mA-h) / g |
| AG-CMB-1 -22-350 | AG-CMB grafiti ya bandia ya mesophase, daraja I ya vifaa vya grafiti anodi ya betri za ikoni za lithiamu, 50 = (22.0 udongo 2.0) pm, uwezo maalum wa kutokwa wa kwanza ni 350 (mA-h) / g |
| AG-NAG-1-18-355 | AG-NAG grafiti ya bandia ya umbo la sindano, daraja I ya vifaa vya grafiti anodi ya betri za ikoni za lithiamu, 050 = (18.01 2.0) #m, uwezo maalum wa kutokwa wa kwanza ni 355 (mA • h) / g |
| CG- I -17-355 | CG grafiti mchanganyiko, daraja I ya vifaa vya grafiti anodi ya betri za ikoni za lithiamu, D50 = (17.0 ± 2.0) pm, uwezo maalum wa kutokwa wa kwanza ni 355 (mA-h) / g |
Kuhusu mahitaji ya kiufundi, kuonekana ni poda ya rangi ya kijivu au kijivu cha chuma chenye mng'aro wa metali. Kuhusu viashiria vya kimwili na kemikali, viashiria vya kimwili na kemikali vya vifaa vya anodi vinavyotumika katika betri za ion za lithiamu vinapaswa kukidhi mahitaji yaliyo kwenye Jedwali la 1. Ikiwa kuna mahitaji maalum, inapaswa kubainishwa kupitia ushirikiano kati ya pande za ugavi na mahitaji.
Jedwali la 3 Vigezo vya kiufundi vya vifaa vya anodi vya grafiti asilia vinavyotumika katika betri za ion za lithiamu
| Kiashiria cha kiufundi | Nambari ya bidhaa | ||||
| NG-I-19-360 | NG-II-13-365 | NG-III-23-345 | |||
| Utendaji wa tamthiliya | Ugawaji wa ukubwa | D10, um | 12.0±2.0 | 9.0±2.0 | 14.0±2.0 |
| D50, um | 19.0±2.0 | 13.0±2.0 | 23.0±2.0 | ||
| D90, um | 28.0±3.0 | 33.0±3.0 | 33.0 士 3.0 | ||
| D max, um | ≤50 | ≤70 | ≤50 | ||
| Kaboni iliyowekwa,% | ≥99.97 | ≥99.97 | 99.95 〜99.90 | ||
| Unyevu,% | ≤0.2 | ≤0.2 | ≤0.2 | ||
| pH | 8±1 | 5.5±1 | 5.5±1 | ||
| Tap density, g/cm3 | ≥1.20 | ≥1.00 | ≥1.05 | ||
| Powder compacting density, g/cm3 | ≥1.65 | 1.55〜1.65 | 1.45〜1.55 | ||
| Actual density, g/cm3 | 2.24 ±0.02 | 2.24±0.02 | 2.22±0.02 | ||
| Specific surface area, m3/g | ≤1.5 | ≤2.5 | 5.0±0.5 | ||
| Interlayer spacingd002, nm | 0.335 7± 0.0003 | 0.335 8±0.0003 | 0.335 8±0.0003 | ||
| Mali za elektrokemikali | Ufanisi wa Kwanza wa Coulomb% | ≥95.0 | ≥93.0 | ≥91.0 | |
| Uwezo maalum wa kutokwa wa kwanza (mAh) / g | ≥360.0 | ≥365.0 | ≥345.0 | ||
| Elementi za metali za alama Vifaa vya sumakuElementi za metali za alama | Fe, ppm | ≤10 | ≤30 | ≤50 | |
| Na, ppm | ≤5 | ≤5 | ≤5 | ||
| Cr, ppm | ≤5 | ≤5 | ≤5 | ||
| Cu, ppm | ≤5 | ≤5 | ≤5 | ||
| Ni, ppm | ≤5 | ≤5 | ≤5 | ||
| Al, ppm | ≤5 | ≤5 | ≤5 | ||
| Mo, ppm | ≤5 | ≤5 | ≤5 | ||
| Vifaa vya sumaku | Fe+Cr+Ni+Zn+Co, ppm | ≤0.1 | ≤0.1 | 0.1 〜0.5 | |
| Maudhui ya sulfuri | S, ppm | ≤20 | ≤20 | ≤20 | |
| Table 3 (Continue) | ||||||
| Maelezo ya kiufundi | Nambari ya bidhaa | |||||
| NG-1-19-360 | NG-II-13-365 | NG-III-23-345 | ||||
| Vifaa vilivyopunguzwe | Kadimiamu na compounds zake, PPM | ≤5 | ≤5 | ≤5 | ||
| Plumbum na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |||
| Mercury na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |||
| Chromium ya hexavalent na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |||
| Polybrominated biphenyl, PPM | ≤5 | ≤5 | W5 | |||
| Polybrominated biphenyl aldehyde, PPM | ≤5 | ≤5 | ≤5 | |||
| Anionic | F-, ppm | ≤10 | ≤10 | ≤10 | ||
| Cl-, ppm | ≤30 | ≤30 | ≤30 | |||
| Br-, ppm | ≤10 | ≤10 | ≤10 | |||
| NO3-, ppm | ≤10 | ≤10 | ≤10 | |||
| SO4-, ppm | ≤50 | ≤50 | ≤50 | |||
| Masi ya kikaboni | Acetone, PPM | ≤1 | ≤1 | ≤1 | ||
| Isopropanol, PPM | ≤1 | ≤1 | ≤1 | |||
| Toluene, PPM | ≤1 | ≤1 | ≤1 | |||
| Ethyl benzene, PPM | ≤1 | ≤1 | ≤1 | |||
| Xylene, PPM | ≤1 | ≤1 | ≤1 | |||
| Benzene, PPM | ≤1 | ≤1 | ≤1 | |||
| Ethanol, PPM | ≤1 | ≤1 | ≤1 | |||
| Jedwali la 4 Maelezo ya kiufundi ya nyenzo za cathode kwa betri za lithium ion za grafiti bandia | ||||||
| Kiashiria cha kiufundi | Nambari ya bidhaa | |||||
| AG-CMR- I -24-355 | AG-NAG- II -20-340 | AG-PAG-III-18-300 | ||||
| Utendaji wa nadharia | Distribuzioni ya ukubwa | D10, um | 17.0±2.0 | 9.0 ±2.0 | 7.0 ± 2.0 | |
| D50, um | 24.5±2.0 | 20.0 ±2.0 | 18.0±2.0 | |||
| D90, um | 35.0±3.0 | 40.0±3.0 | 35.0±3.0 | |||
| D max, um | ≤60 | ≤70 | C75 | |||
| Kaboni iliyowekwa,% | ≥99.70 | ≥99.95 | ≥99.70 | |||
| Unyevu,% | ≤0.2 | ≤0.2 | ≤0.2 | |||
| pH | 8±1 | 5.5 ±1 | 5.5±1 | |||
| Tap density, g/cm3 | ≥1.30 | ≥1.00 | ≥1.00 | |||
| Powder compacting density, g/cm3 | ≥1.60 | ≥1.20 | 1.30 〜1.45 | |||
| Actual density, g/cm3 | 2.24±0.03 | 2.23±O.O3 | 2.23±0.03 | |||
| Specific surface area, m3/g | 0.8±0.5 | 4.0 士 0.5 | 4.0±0.5 | |||
| Interlayer spacingd002, nm | 0.3357 ±0.000 3 | 0.335 8±0.000 3 | 0.336 0±0.000 3 | |||
| Kiashiria cha kiufundi | Nambari ya bidhaa | |||
| AG-CMB- I -24-355 | AG-NAG- II -20-340 | AG-PAG-III-18-300 | ||
| Mali za elektrokemikali | Ufanisi wa Kwanza wa Coulomb% | ≥95.0 | ≥93.0 | ≥90.0 |
| Uwezo maalum wa kutokwa wa kwanza (mAh) / g | ≥355.0 | ≥340.0 | ≥320.0 | |
| Elementi za metali za alama Vifaa vya sumakuElementi za metali za alama | Fe, ppm | ≤20 | ≤50 | ≤100 |
| Na, ppm | ≤5 | ≤5 | ≤5 | |
| Cr, ppm | ≤5 | ≤5 | ≤5 | |
| Cu, ppm | ≤5 | ≤5 | ≤5 | |
| Ni, ppm | ≤5 | ≤5 | ≤5 | |
| Al, ppm | ≤5 | ≤5 | ≤5 | |
| Mo, ppm | ≤5 | ≤5 | ≤5 | |
| Vifaa vya sumaku | Fe+Cr+Ni+Zn+Co, ppm | <0.1 | <0.1 | 0.5 〜1.5 |
| Maudhui ya sulfuri | S, ppm | ≤20 | ≤20 | ≤20 |
| Mali za elektrokemikali | Kadimiamu na compounds zake, PPM | ≤5 | ≤5 | ≤5 |
| Plumbum na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Mercury na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Chromium ya hexavalent na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Polybrominated biphenyl, PPM | ≤5 | ≤5 | ≤5 | |
| Polybrominated biphenyl aldehyde, PPM | ≤5 | ≤5 | ≤5 | |
| Anionic | F-, ppm | ≤10 | ≤10 | ≤10 |
| Cl-, ppm | ≤30 | ≤30 | ≤30 | |
| Br-, ppm | ≤10 | ≤10 | ≤10 | |
| NO3-, ppm | ≤10 | ≤10 | ≤10 | |
| SO4-, ppm | ≤50 | ≤50 | ≤50 | |
| Masi ya kikaboni | Acetone, PPM | ≤1 | ≤1 | ≤1 |
| Isopropanol, PPM | ≤1 | ≤1 | ≤1 | |
| Toluene, PPM | ≤1 | ≤1 | ≤1 | |
| Ethyl benzene, PPM | ≤1 | ≤1 | ≤1 | |
| Xylene, PPM | ≤1 | ≤1 | ≤1 | |
| Benzene, PPM | ≤1 | ≤1 | ≤1 | |
| Ethanol, PPM | ≤1 | ≤1 | ≤1 |
| Jedwali la 5 Viashiria vya kiufundi vya nyenzo za cathode kwa betri za lithiamu za grafiti za composite za kawaida | |||||
| Kiashiria cha kiufundi | Nambari ya bidhaa | ||||
| CG- I -17-355 | CG-II-18-345 | CG-III-20-330 | |||
| Utendaji wa tamthiliya | Ugawaji wa ukubwa | D10, um | 9.0±2.0 | 8.0±2.0 | 9.0±2.0 |
| D50, um | 17.0±2.0 | 18.0±2.0 | 20.0±2.0 | ||
| D90, um | 35.0±3.0 | 35.0 ±3.0 | 38.0 士 3.0 | ||
| D max, um | ≤70 | ≤70 | ≤60 | ||
| Kaboni iliyowekwa,% | ≥99.70 | .95 | ≥99.70 | ||
| Unyevu,% | ≤0.2 | ≤0.2 | ≤0.2 | ||
| pH | 8±1 | 8±1 | 5.5±1 | ||
| Tap density, g/cm3 | ≥1.10 | ≥1.00 | ≥1.00 | ||
| Powder compacting density, g/cm3 | ≥1.60 | ≥1.50 | 1.30 〜1.40 | ||
| Actual density, g/cm3 | 2.24±0.02 | 2.23±0.03 | 2.23±0.03 | ||
| Specific surface area, m3/g | ≤2.0 | 3.0±0.5 | 3.5±0.5 | ||
| Interlayer spacingd002, nm | 0.3357 土 0.000 3 | 0.335 8±0.000 3 | 0.336 0 土 0.000 3 | ||
| Mali za elektrokemikali | Ufanisi wa Kwanza wa Coulomb% | ≥94.0 | ≥92.0 | 291.0 | |
| Uwezo maalum wa kutokwa wa kwanza (mAh) / g | ≥355.0 | ≥345.0 | ≥330.0 | ||
| Elementi za metali za alama Vifaa vya sumakuElementi za metali za alama | Fe, ppm | ≤20 | ≤30 | ≤50 |
| Na, ppm | ≤5 | ≤5 | ≤5 | |
| Cr, ppm | ≤5 | ≤5 | ≤5 | |
| Cu, ppm | ≤5 | ≤5 | ≤5 | |
| Ni, ppm | ≤5 | ≤5 | ≤5 | |
| Al, ppm | ≤5 | ≤5 | ≤5 | |
| Mo, ppm | ≤5 | ≤5 | ≤5 | |
| Vifaa vya sumaku | Fe+Cr+Ni+Zn+Co, ppm | <0.1 | <0.1 | 0.1 〜0.5 |
| Maudhui ya sulfuri | S, ppm | ≤20 | ≤20 | ≤20 |
| Mali za elektrokemikali | Kadimiamu na compounds zake, PPM | ≤5 | ≤5 | ≤5 |
| Plumbum na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Mercury na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Chromium ya hexavalent na compounds zake, PPM | ≤5 | ≤5 | ≤5 | |
| Polybrominated biphenyl, PPM | ≤5 | ≤5 | ≤5 | |
| Polybrominated biphenyl aldehyde, PPM | ≤5 | ≤5 | ≤5 | |
| Kiashiria cha kiufundi | Nambari ya bidhaa | |||
| CG- I -17-355 | CG II -18-345 | CG-III-20-330 | ||
| Anionic | F-, ppm | ≤10 | ≤10 | ≤10 |
| Cl-, ppm | ≤30 | ≤30 | ≤30 | |
| Br-, ppm | ≤10 | ≤10 | ≤10 | |
| NO3-, ppm | ≤10 | Q0 | ≤10 | |
| SO4-, ppm | ≤50 | ≤50 | ≤50 | |
| Masi ya kikaboni | Acetone, PPM | ≤1 | ≤1 | ≤1 |
| Isopropanol, PPM | ≤1 | ≤1 | ≤1 | |
| Toluene, PPM | ≤1 | ≤1 | ≤1 | |
| Ethyl benzene, PPM | ≤1 | ≤1 | ≤1 | |
| Xylene, PPM | ≤1 | ≤1 | ≤1 | |
| Benzene, PPM | ≤1 | ≤1 | ≤1 | |
| Ethanol, PPM | ≤1 | ≤1 | ≤1 | |
Tangu maendeleo ya nyenzo za kaboni kwa betri za lithiamu, nyenzo za grafiti zimekuwa nyenzo za anode za kawaida kutokana na muundo wake maalum wa micro, michakato ya uzalishaji na urekebishaji iliyo karibu, na akiba kubwa ya malighafi, na zitaendelea kwa muda mrefu. Uzinduzi wa kiwango kipya cha kitaifa umekuwa na jukumu la mwongozo katika uzalishaji halisi na matumizi yanyenzo za anode za grafiti, ambayo inasaidia katika maendeleo yake.


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