Knowledge gaps |
The exact mechanism of how biochar accumulates or donates electrons remains unknown as well as the factors which provoke it to act as either a sink or a source of electrons. |
Ways to improve biochar’s electrical conductivity are unstudied. |
The mechanism of hydrogen absorption by biochar remains to be an unaddressed research question. |
Relationships between double layer capacitance manifestation and the methanogenesis process in the rumen remain undetermined. |
Biochar’s electrochemical properties and their overall influence on the rumen environment are still of focus of further studies. |