国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D065/08（2）
发明人
公开年 2023（2）
申请年 2021（2） 
专利权人

Manufacture of polyvinylidene fluoride composite separator for lithium secondary polymer battery, involves mixing carbon structure and titanium oxide with solvent to obtain solution, and casting solution to preset thickness to obtain membrane forming composite separator.

OH S B, OH J W, O S B, OHJUNWON

Non-powered passive drinking water purifying device supplying safe water to small communities comprises storage tank in which water to be purified is stored, and manual actuator for pumping water contained in storage tank using hand or foot.

KIM E W, KIM M K