The Kpelle script is not yet in Unicode. The script has a tentative allocation at U+16C00..U+16C7F in the  Roadmap to the SMP for the Unicode Standard.

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2008-12-14 Encoding of the Kpelle Script (preliminary proposal) — Charles Riley ( L2/09-326)

2009-04-22 Report to JTC1 Chair and JTC1/SC2 Chair Regarding Resolution 34 on African Languages — Deborah Anderson ( WG2 N3641,  L2/09-285)

2010-02-23 Preliminary proposal for encoding the Kpelle script in the SMP of the UCS — Michael Everson, Charles Riley ( WG2 N3762,  L2/10-063)