Pane misiyano yakakura muzvinodiwa zve graphitized petroleum coke munzvimbo dzakasiyana dzekushandisa. Mundima yezvinhu zve lithium-ion battery anode, kusimbiswa kunoiswa pakushanda kwe electrochemical, kugoverwa kwehukuru hwe particles, nzvimbo chaiyo yepamusoro, uye kutonga kuchena. Kusiyana neizvi, munda we electrode rods (senge graphite electrodes) unokoshesa zvikuru conductivity, simba remakanika, kugadzikana kwekupisa, uye kutonga kwehuwandu hwemadota. Ongororo yakadzama inopiwa pazasi:
I. Munda wezvinhu zveLithium-ion Battery Anode
- Kushanda kweElectrochemical seChiratidzo Chepakati
Kugona Kuchaja/Kuburitsa Pakutanga: Inofanira kusvika ≥350.0 mAh/g (National Standard GB/T 24533-2019) kuti ive nechokwadi chekuti simba rebhatiri rakawanda. Kushanda Zvakanaka Kwekutanga kweCoulombic: Chinodiwa che ≥92.6% chinoratidza huwandu hwesimba rinodzoserwa rezvinhu panguva yekutanga. Crystal Structure Parameters: Nzvimbo ye (002) plane spacing (d002) inodzorwa kuburikidza neX-ray diffraction (XRD) testing kuti iwedzere graphitization degree, kuderedza lattice defects, uye kuwedzera electron mobility. 2. Particle Size Distribution uye Specific Surface Area
Kugoverwa kweSaizi yeZvidimbu: Avhareji yehukuru hwezvidimbu (D50) nehupamhi hwekugoverwa zvinofanirwa kudzorwa kuti zvigadzirise maitiro ekugadzirira slurry yebhatiri uye huwandu hwesimba revhoriyamu. Zvidimbu zvidiki zvinozadza nzvimbo dzisina chinhu dzezvidimbu zvikuru zvinogona kuvandudza huwandu hwekumanikidzana. Nzvimbo Yakanangana: Kuenzana kunofanirwa kuitwa pakati pekuita kwekuita uye kurasikirwa kwekutanga kwesimba. Nzvimbo yakanyanya yakanangana inowedzera kushandiswa kwebinder uye kuramba kwemukati, nepo nzvimbo isina kukwana yakanangana inoderedza kushanda zvakanaka kwe lithium-ion deintercalation. 3. Kuchena uye Kudzora Kusachena
Kuwanda kweCarbon: Chinodiwa che ≥99.5% kuderedza kukanganiswa kwezvinhu zvisingashande pakushanda kwemagetsi. Hunyoro uye pH Kukosha: Kudzora kwakasimba kunodiwa kudzivirira kunyudzwa kwehunyoro kana kusangana ne electrolyte, izvo zvinogona kukanganisa kugadzikana kwegadziriro ye slurry.
II. Electrode Rod (semuenzaniso, Graphite Electrode) Munda
- Kufambisa uye Simba reMichina
Kuramba: Inofanira kunge yakaderera seyero ye μΩ·m kuderedza kurasikirwa kwesimba panguva yekushandiswa kwe electrode. Simba reKuramba: Simba guru rekufamba rinodiwa kuti rirambe kushushikana kwemuchina panguva yekushandiswa uye kudzivirira kutyoka. Elastic Modulus: Kuenzana pakati pekusimba uye kuoma kwakakosha kudzivirira kutsemuka nekuda kwekuvhunduka kwekupisa kana kudedera kwemuchina. 2. Kugadzikana kwekupisa uye Kuramba kweOxidation
Coefficient yekuwedzera kwekupisa: Inofanira kunge yakaderera kuderedza shanduko dzehukuru pakupisa kwakanyanya uye kudzivirira kusangana kwakashata pakati peelectrode nechaji yefurnace. Kuwanda kweAsh: Inofanira kunge iri ≤0.5% kuderedza kukanganiswa kwetsvina pakuramba kwe electrode oxidation. Zvinhu zvesimbi mumadota zvinogona kukurumidzisa oxidation ye electrode uye kupfupisa hupenyu hwebasa. 3. Kuchinjika kweMaitiro Ekugadzira
Kuwanda Kwemagetsi: Kuwanda kwemagetsi kwakakosha kuti pave nekusimbaradza kwema electrode uye kuti pave nekusimbaradza kwemagetsi uye kusimbaradza kwe oxidation. Maitiro ekuisa mu electrode ne graphitization: Kuisa mu electrode kakawanda uye graphitization yekupisa kwakanyanya (≥2800°C) zvinodiwa kuti pave nekurongeka kwe crystal uye kuderedza simba remagetsi.
III. Kuisa Pamberi Kwechiratidzo Kunotungamirwa Nekushandiswa Kwemamiriro Ezvinhu Zvinhu zveLithium-ion Battery Anode: Zvinofanira kusangana nezvinodiwa zvekuwanda kwesimba uye hupenyu hwenguva refu, saka zvinodiwa zvakasimba zvekushanda kwemagetsi, kugoverwa kwehukuru hwezvikamu, uye kuchena. Electrode Rods: Dzinofanirwa kushanda zvakadzikama pasi pekupisa kwakanyanya uye kuwanda kwemagetsi, nokudaro kusimbiswa kukuru kwekufambisa, simba remakanika, uye kugadzikana kwekupisa.
Nguva yekutumira: Gumiguru-15-2025