本发明属于电极材料技术领域，具体涉及一种海胆状结构的二氧化锗/氮掺杂碳复合材料制备及其锂离子电池应用。将GeO2，邻苯二酚混合水浴回流；反应结束后，当温度降至80℃，向溶液中加入PVP和2,2‑联吡啶，反应2小时后，离心，洗涤，70℃烘箱干燥，得到有机锗前驱体再进行煅烧制备得到所述材料；本发明合成了一种海胆状结构的二氧化锗/氮掺杂碳复合材料GeO2/NCS，将其用作锂电池负极，得到的锂电池具有很高的比容量和循环稳定性，在电流密度为1A g‑1时充放电循环500圈容量稳定在789 mA h g‑1。同时表现出优异的倍率放电性能，即使在电流密度为5 A g‑1时其充放电容量也能稳定在630 mA h g‑1。
[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:0.001711s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001607s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001671s ]
[ SQL ] SHOW COLUMNS FROM `tb_tech` [ RunTime:0.001509s ]
[ SQL ] UPDATE `tb_tech` SET `hit`=`hit`+1 WHERE `id` = 508792 [ RunTime:0.001176s ]
[ SQL ] SELECT * FROM `tb_tech` WHERE `id` = 508792 LIMIT 1 [ RunTime:0.001046s ]
[ SQL ] SHOW COLUMNS FROM `tb_admin` [ RunTime:0.001090s ]
[ SQL ] SELECT `realname` FROM `tb_admin` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000927s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001365s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 141 LIMIT 1 [ RunTime:0.000928s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 28 LIMIT 1 [ RunTime:0.000874s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001945s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.002982s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` > 508792 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.004141s ]
[ SQL ] SELECT `id`,`title` FROM `tb_tech` WHERE `id` < 508792 AND `check_status` = 1 AND `category_id` = 141 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.129135s ]
[ SQL ] select id,title,tag,submit_date from tb_tech where check_status=1 and id<>508792 order by submit_date desc limit 10 [ RunTime:0.007183s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001224s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.000870s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.000886s ]
[ DB ] CONNECT:[ UseTime:0.001313s ] mysql:host=mccbfzy.mysql.polardb.rds.aliyuncs.com;port=3306;dbname=ysscdb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_industry_report` [ RunTime:0.001425s ]
[ SQL ] SELECT `id`,`cate_aid`,`cate_bid`,`title`,`pic`,`tag`,`price`,`hit`,`mode` FROM `tb_industry_report` [ RunTime:0.001535s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.001080s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.006121s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.001231s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000985s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.001035s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.005496s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.001357s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 62 LIMIT 1 [ RunTime:0.001000s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 63 LIMIT 1 [ RunTime:0.000897s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000894s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000837s ]
1157
编辑：管理员
来源：北方有色网
咨询细节
2026年08月06日 ~ 08日 
