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US 12,620,594 B1Granted
Secondary particle composite Group IVA materials
AssigneeKratos LLC
InventorsJeff A. Norris, Timothy D. Newbound, Anton Kornberg
Life of this patent
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Abstract
Exemplary secondary particles may include a porous polymer matrix comprising polyacrylonitrile (PAN) and polypyrrole (PPy), and a plurality of submicron-sized primary particles dispersed in the porous polymer matrix. The plurality of submicron-sized primary particles may comprise at least one of: carbon (C), silicon (Si), germanium (Ge), tin (Sn), or an alloy of a Group IVA element.
Claims16
A secondary particle comprising:
- a porous polymer matrix comprising a polyacrylonitrile (PAN)-polypyrrole (PPy) composite, where nitrile groups of PAN are hydrogen bonded to PPy as represented by formula (I) or formula (II), where n is a number of repeating units of PPy and m is a number of repeating units of PAN:
- at least 1 wt % and no greater than 88 wt % of submicron-sized primary particles dispersed in the porous polymer matrix, the submicron-sized primary particles comprising at least one of:
- carbon (C), silicon (Si), germanium (Ge), tin (Sn), or an alloy of a Group IVA element,
- the secondary particle having a Dv50 diameter no less than 3 μm and no greater than 12 μm.
1 more element
Dependencies are inferred from the claim text.