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Title: Crystalline boron nitride aerogels

Patent ·
OSTI ID:1413254

This disclosure provides methods and materials related to boron nitride aerogels. For example, one aspect relates to a method for making an aerogel comprising boron nitride, comprising: (a) providing boron oxide and an aerogel comprising carbon; (b) heating the boron oxide to melt the boron oxide and heating the aerogel; (c) mixing a nitrogen-containing gas with boron oxide vapor from molten boron oxide; and (d) converting at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride. Another aspect relates to a method for making an aerogel comprising boron nitride, comprising heating boron oxide and an aerogel comprising carbon under flow of a nitrogen-containing gas, wherein boron oxide vapor and the nitrogen-containing gas convert at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231; AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA); The Regents of the University of California (Oakland, CA)
Patent Number(s):
9,840,414
Application Number:
15/408,297
OSTI ID:
1413254
Resource Relation:
Patent File Date: 2017 Jan 17
Country of Publication:
United States
Language:
English

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