Page 172 - CW E-Magazine (11-3-2025)

Special Report

appealing strategy for electro-reforming
of M into formate and producing H
2
with low energy consumption compared
with alkaline water electrolysis. There
are, however, problems of stability and
selectivity under high current densities
for practical application. ACeFe @Ni N
3
3
nanosheets array anchored on carbon
cloth (CeF @Ni N/CC) was fabricated.
3
3
This has shown stability and high Fara-
daic efficiency. (Angew. Chem. Intl. Ed.,
2024; DOI: 10.1002/anie.202416763).
Paired electro-synthesis of
remote amino alcohols with/in
water
Biobased hyperbranched Methanol (M) [This column has covered some papers
flame retardant for epoxy on paired electrosynthesis which brings
resin modification Electrochemical cracking of M out advantages of anodic and cathodic
for H reactions.]
K. Chen et al have worked on improving 2
flame retardancy of epoxy resin, via modi- X. Lin et al have referred to M as a H C. Ruan et al have referred to the impor-
2
fication, and simultaneously improve carrier due to ease of transportation, misci- tance of remote amino alcohols and
toughness and smoke toxicity suppres- bility with water, etc. This perspective peptide alcohols. These authors have
sion. A hyperbranched low phosphorous examines two distinct methods of M developed a mild and biocompatible
(P) containing flame-retardant polymer cracking – through thermochemical and sequential paired electrolysis strategy,
was synthesised to chemically modify electrochemical processes. Development utilising Cu-electrocatalysis. DFT
epoxy resin. This gave favourable results calculations were done. (Angew. Chem.
and modified epoxy thermosets still Intl. Ed. 2024; DOI: 10.1002/anie.2024
maintained high Tg exceeding 168°C and 18277).
thermostability. (Ind. Eng. Chem. Res.
2024; DOI: 10.1021/acs.iecr.4c03418). Needle coke (NC) and
Valorisation of sewage sludge synthetic graphite (G)

L. Bier-Schorr et al have worked on A.A. Faegh has given a very useful
transforming sewage sludge into a P-ferti- coverage of this subject as natural G
liser material in a single combustion. is limited and most of it is synthetic.
For steel making, electric arc furnaces
P-XRD, IR, TGA and EA were adopted of catalyst is an important aspect. The (EAFs) are emerging in a substantial
to study this work. The effect of addi- superiority of electrochemical cracking way and approximately 30% of world
tions of different additives prior to the has been brought out. Strategic recom- steel production is through EAFs and
combustion step was studied. Addition mendations have been made. (Artificial this uses G. NC is a speciality coke and
of Na CO or K CO was studied. This Photosynthesis, 2004; DOI: 10.1021/ is a key ingredient in the manufacture
3
2
3
2
resulted in the normal, not plant accessi- aps.4c00019). of G electrodes. Electric vehicles will
ble, product, Ca (Mg,Fe)(PO OH)(PO ) be yet another market for G.
9
3
4 6
conversion to CaNaPO , which is a very Methanol (M) electro-
4
good P-source for plants. Greenhouse reforming coupled with H The characteristics of NC are very impor-
experiments with maize were done and production 2 tant for making G: Low coefficient
demonstrated the favourable result. of expansion required due to thermal
(Chem Sus Chem, 2024; DOI: 10.1002/ K. Deng et al have referred to alkaline stresses involving even a high-tempera-
cssc.2024 01744). M-water electrolysis system as an ture differential exceeding 2000°C; low
172 Chemical Weekly March 11, 2025
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