Li-catalyst tsa tšepe tsa bohlokoa ke litšepe tse ntle tse sebelisoang haholo indastering ea lik'hemik'hale ka lebaka la bokhoni ba tsona ba ho potlakisa ts'ebetso ea lik'hemik'hale. Khauta, palladium, platinum, rhodium le silevera ke e meng ea mehlala ea lirafshoa tsa bohlokoa.