H 형태의 반응기에서 덴드라이트의 성장을 억제하지 못하였으며, THF 또는 ether 계의 용매로 인해 Nafion 막이 손상되는 문제점이 발생하였다.
The growth of dendrites could not be inhibited in the H-type reactor, and there clearly was an issue in that the Nafion film was damaged due to THF or ether-based solvents.