Negative active material, method of manufacturing its material, and lead acid battery
A negative active material is characterized by being prepared by adding a lignin having a unit structure represented by the formula (I) as the main structure to a lead oxide. Since the lignin of the formula (I) is added, the negative active material can be prevented from shrinkage due to charge/disc...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A negative active material is characterized by being prepared by adding a lignin having a unit structure represented by the formula (I) as the main structure to a lead oxide. Since the lignin of the formula (I) is added, the negative active material can be prevented from shrinkage due to charge/discharge.
1
(wherein R
1
is H, OH, COOH, SO
3
H, SH, C
6
H
5
, COO
−
, SO
3
−
, R
2
C
6
H
4
, (R
2
)
2
C
6
H
3
, or (R
2
)
3
C
6
H
2
; and R
2
is at least one member selected from among OH, COOH, SO
3
H, and CH
2
SO
3
H.) |
|---|