CN113968737A - 一种锂电池电极材料制备用匣钵 - Google Patents

一种锂电池电极材料制备用匣钵 Download PDF

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CN113968737A
CN113968737A CN202111307575.4A CN202111307575A CN113968737A CN 113968737 A CN113968737 A CN 113968737A CN 202111307575 A CN202111307575 A CN 202111307575A CN 113968737 A CN113968737 A CN 113968737A
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parts
sagger
fiber
lithium battery
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刘骏
彭娜
王钢
蔡璐
王晓波
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Hunan Prince New Material Technology Co ltd
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Abstract

本发明公开了一种锂电池电极材料制备用匣钵，匣钵包括以下重量份数配比的原料：碳化硅10‑20份、刚玉微粉5‑15份、锂辉石3‑9份、锆英石4‑10份、硅微粉8‑18份、高岭土粉6‑12份、纯铝酸钙水泥20‑30份、纤维氧化铝2‑6份、纤维氧化镁2‑6份、增强纤维3‑9份以及水30‑40份，本发明制备方法简单，制得的匣钵耐高温抗腐蚀相较比传统匣钵明显提升，增强了材料的韧性，提高了匣钵的抗冲击强度和抗热震性能。

Description

一种锂电池电极材料制备用匣钵
技术领域
本发明涉及匣钵制备技术领域，具体为一种锂电池电极材料制备用匣钵。
背景技术
匣钵，是用耐火泥料制成的各种规格的方钵，经高温焙烧而成。匣钵为装烧锂电池正极材料的重要窑具之一。各种电池正极材料，均须先装入匣钵，然后才装进窑炉焙烧。
锂离子电池是在锂电池的基础上发展起来的一种新型绿色高能电池，是新一代绿色环保电池，广泛应用于移动通讯、军事、航空航天和信息科学领域。锂离子正极材料是构成锂离子电池的主要部分，在锂离子正极材料的实际生产中，高温固相合成法因其工艺简单和对设备要求低而得到广泛应用。它是将所需原料直接以固态形式，通过机械搅拌、球磨或压片等方式混合，经高温焙烧、冷却和破碎等工艺，最后得到所需产品。匣钵作为高温焙烧过程中的盛装容器，在使用过程中主要因反复的冷热温差以及正极原料的侵蚀出现破损。随着锂电池材料需求量日益增大，高电压方向的发展趋势，对匣钵的性能特别是热震稳定性和抗侵蚀性提出了更加苛刻的要求。
目前的锂电池电极材料制备用匣钵整体抗压、抗侵蚀性能差，因此，有必要进行改进。
发明内容
本发明的目的在于提供一种锂电池电极材料制备用匣钵，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种锂电池电极材料制备用匣钵,匣钵包括以下重量份数配比的原料：碳化硅10-20份、刚玉微粉5-15份、锂辉石3-9份、锆英石4-10份、硅微粉8-18份、高岭土粉6-12份、纯铝酸钙水泥20-30份、纤维氧化铝2-6份、纤维氧化镁2-6份、增强纤维3-9份以及水30-40份。
优选的，匣钵包括以下重量份数配比的原料：碳化硅15份、刚玉微粉10份、锂辉石6份、锆英石7份、硅微粉13份、高岭土粉9份、纯铝酸钙水泥25份、纤维氧化铝4份、纤维氧化镁4份、增强纤维6份以及水35份。
优选的，所述增强纤维由20％碳纤维、30％钢纤维、30％玻璃纤维、20％芳纶纤维组成。
优选的，其制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2000-2500℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
优选的，所述步骤B中搅拌速率为1000-1800转/分，时间为40min-50min。
优选的，所述步骤E中煅烧时间为2-3h。
与现有技术相比，本发明的有益效果是：本发明制备方法简单，制得的匣钵耐高温抗腐蚀相较比传统匣钵明显提升，增强了材料的韧性，提高了匣钵的抗冲击强度和抗热震性能；其中，采用的增强纤维韧性好，能够增强匣钵的抗压、抗侵蚀性能。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明提供如下技术方案：一种锂电池电极材料制备用匣钵,匣钵包括以下重量份数配比的原料：碳化硅10-20份、刚玉微粉5-15份、锂辉石3-9份、锆英石4-10份、硅微粉8-18份、高岭土粉6-12份、纯铝酸钙水泥20-30份、纤维氧化铝2-6份、纤维氧化镁2-6份、增强纤维3-9份以及水30-40份；其中，所述增强纤维由20％碳纤维、30％钢纤维、30％玻璃纤维、20％芳纶纤维组成。
实施例一：
匣钵包括以下重量份数配比的原料：碳化硅10份、刚玉微粉5份、锂辉石3份、锆英石4份、硅微粉8份、高岭土粉6份、纯铝酸钙水泥20份、纤维氧化铝2份、纤维氧化镁2份、增强纤维3份以及水30份。
本实施例的制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2000℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
本实施例中，步骤B中搅拌速率为1000转/分，时间为40min。
本实施例中，步骤E中煅烧时间为2h。
实施例二：
匣钵包括以下重量份数配比的原料：碳化硅20份、刚玉微粉15份、锂辉石9份、锆英石10份、硅微粉18份、高岭土粉12份、纯铝酸钙水泥30份、纤维氧化铝6份、纤维氧化镁6份、增强纤维9份以及水40份。
本实施例的制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2500℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
本实施例中，步骤B中搅拌速率为1800转/分，时间为50min。
本实施例中，步骤E中煅烧时间为3h。
实施例三：
匣钵包括以下重量份数配比的原料：碳化硅12份、刚玉微粉7份、锂辉石4份、锆英石6份、硅微粉10份、高岭土粉7份、纯铝酸钙水泥22份、纤维氧化铝3份、纤维氧化镁3份、增强纤维4份以及水32份。
本实施例的制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2100℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
本实施例中，步骤B中搅拌速率为1200转/分，时间为42min。
本实施例中，步骤E中煅烧时间为2.1h。
实施例四：
匣钵包括以下重量份数配比的原料：碳化硅18份、刚玉微粉14份、锂辉石8份、锆英石9份、硅微粉16份、高岭土粉11份、纯铝酸钙水泥28份、纤维氧化铝5份、纤维氧化镁5份、增强纤维8份以及水38份。
本实施例的制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2300℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
本实施例中，步骤B中搅拌速率为1700转/分，时间为47min。
本实施例中，步骤E中煅烧时间为2.8h。
实施例五:
匣钵包括以下重量份数配比的原料：碳化硅15份、刚玉微粉10份、锂辉石6份、锆英石7份、硅微粉13份、高岭土粉9份、纯铝酸钙水泥25份、纤维氧化铝4份、纤维氧化镁4份、增强纤维6份以及水35份。
本实施例的制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2250℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
本实施例中，步骤B中搅拌速率为1400转/分，时间为45min。
本实施例中，步骤E中煅烧时间为2.5h。
实验例：
采用本发明各实施例制成的匣钵进行性能测试，得到数据如下表：
抗压强度(MPA) 侵蚀指数(％)
实施例一 75.8 8.2
实施例二 75.9 8.1
实施例三 76.5 8.2
实施例四 77.2 8.2
实施例五 77.9 8.0
综上所述，本发明制备方法简单，制得的匣钵耐高温抗腐蚀相较比传统匣钵明显提升，增强了材料的韧性，提高了匣钵的抗冲击强度和抗热震性能；其中，采用的增强纤维韧性好，能够增强匣钵的抗压、抗侵蚀性能。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (6)

1.一种锂电池电极材料制备用匣钵,其特征在于：匣钵包括以下重量份数配比的原料：碳化硅10-20份、刚玉微粉5-15份、锂辉石3-9份、锆英石4-10份、硅微粉8-18份、高岭土粉6-12份、纯铝酸钙水泥20-30份、纤维氧化铝2-6份、纤维氧化镁2-6份、增强纤维3-9份以及水30-40份。
2.根据权利要求1所述的一种锂电池电极材料制备用匣钵,其特征在于：匣钵包括以下重量份数配比的原料：碳化硅15份、刚玉微粉10份、锂辉石6份、锆英石7份、硅微粉13份、高岭土粉9份、纯铝酸钙水泥25份、纤维氧化铝4份、纤维氧化镁4份、增强纤维6份以及水35份。
3.根据权利要求1所述的一种锂电池电极材料制备用匣钵,其特征在于：所述增强纤维由20％碳纤维、30％钢纤维、30％玻璃纤维、20％芳纶纤维组成。
4.实现权利要求1所述的一种锂电池电极材料制备用匣钵的制备方法,其特征在于：其制备方法包括以下步骤：
A、将锂辉石、锆英石混合后加入粉碎机中粉碎，得到混合粉末；
B、在混合粉末中加入碳化硅、刚玉微粉、硅微粉、高岭土粉、纯铝酸钙水泥、纤维氧化铝、纤维氧化镁，混合后加入搅拌罐中搅拌，得到混合物A；
C、在混合物A中加入增强纤维以及水，充分混合后搅拌得到黏糊状材料；
D、将黏糊状材料采用挤出成型法料制成匣钵生坯；
E、将匣钵生坯送入煅烧炉中在2000-2500℃煅烧温度下及真空或惰性气氛保护下煅烧一段时间，自然冷却出窑，获得匣钵成品。
5.根据权利要求4所述的一种锂电池电极材料制备用匣钵的制备方法,其特征在于：所述步骤B中搅拌速率为1000-1800转/分，时间为40min-50min。
6.根据权利要求4所述的一种锂电池电极材料制备用匣钵的制备方法,其特征在于：所述步骤E中煅烧时间为2-3h。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101798212A (zh) * 2010-01-29 2010-08-11 王献忠 一种碳化硅-刚玉复合材质蜂窝蓄热体
CN109020592A (zh) * 2018-08-30 2018-12-18 成都上普睿思科技有限公司 一种锂离子电池正极材料合成用的复合纤维匣钵及其制备方法
CN111102844A (zh) * 2019-12-12 2020-05-05 湖南太子新材料科技有限公司 一种烧成锂电池正极材料用匣钵的制备方法
CN112456982A (zh) * 2020-12-16 2021-03-09 刘永杰 一种制备锂电池正极材料用匣钵用配方及方法
CN113149675A (zh) * 2021-06-01 2021-07-23 河南玉和新型节能建材有限公司 一种用于泵送施工的低水泥耐火浇注料

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101798212A (zh) * 2010-01-29 2010-08-11 王献忠 一种碳化硅-刚玉复合材质蜂窝蓄热体
CN109020592A (zh) * 2018-08-30 2018-12-18 成都上普睿思科技有限公司 一种锂离子电池正极材料合成用的复合纤维匣钵及其制备方法
CN111102844A (zh) * 2019-12-12 2020-05-05 湖南太子新材料科技有限公司 一种烧成锂电池正极材料用匣钵的制备方法
CN112456982A (zh) * 2020-12-16 2021-03-09 刘永杰 一种制备锂电池正极材料用匣钵用配方及方法
CN113149675A (zh) * 2021-06-01 2021-07-23 河南玉和新型节能建材有限公司 一种用于泵送施工的低水泥耐火浇注料

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