本发明公开了使用石墨烯包覆的碳/硫复合材料作为正极材料的锂硫电池，将碳/硫复合微球材料与乙炔黑和PVDF按质量比80:10:10在NMP中混合均匀，涂覆在铝箔上制得正极极片，以金属锂片为负极在手套箱中装配成纽扣电池；其中，电解液为 1 M LiTFSI/DOL‑DME，其体积比为1:1，隔膜为celgard 2400微孔膜。本发明锂硫电池具有高的首次放电比容量，容量保持率佳，而且制备方法简单易行、成本低、绿色环保，具有良好的应用前景。
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:214]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:218]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/d969c9ac11613d3901d9652da6568a9b.php:237]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[ DB ] CONNECT:[ UseTime:0.001220s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001707s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001052s ]
[ SQL ] SHOW COLUMNS FROM `tb_tech` [ RunTime:0.009908s ]
[ SQL ] UPDATE `tb_tech` SET `hit`=`hit`+1 WHERE `id` = 458193 [ RunTime:0.001103s ]
[ SQL ] SELECT * FROM `tb_tech` WHERE `id` = 458193 LIMIT 1 [ RunTime:0.000873s ]
[ SQL ] SHOW COLUMNS FROM `tb_admin` [ RunTime:0.000980s ]
[ SQL ] SELECT `realname` FROM `tb_admin` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000757s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.000929s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 141 LIMIT 1 [ RunTime:0.000725s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 28 LIMIT 1 [ RunTime:0.000737s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.000902s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.001444s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 458193 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.003956s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 458193 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.122602s ]
[ SQL ] select id,title,tag,submit_date from tb_tech where check_status=1 and id<>458193 order by submit_date desc limit 10 [ RunTime:0.004329s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001031s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.000739s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.000697s ]
[ DB ] CONNECT:[ UseTime:0.001341s ] mysql:host=mccbfzy.mysql.polardb.rds.aliyuncs.com;port=3306;dbname=ysscdb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001220s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001137s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.000843s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.000794s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.000925s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.006190s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000773s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.000751s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.000925s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 62 LIMIT 1 [ RunTime:0.000736s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 63 LIMIT 1 [ RunTime:0.000845s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000706s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000675s ]
824
编辑：管理员
来源：北方有色网
咨询细节
2026年08月06日 ~ 08日 
